Conferences
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Invited talks & lectures
72. 7th IEEE Electron Devices Technology and Manufacturing (EDTM) Conference 2023, "Multimodal flexible sensor system", March 7-10, 2023.
71. 242nd ECS Meeting, "Wireless healthcare flexible sensor system with comfortable and precise monitoring", Oct. 9-13, 2022.
70. 241th ECS Meeting, "Heterogeneouly integrated nanomaterial-based multimodal flexible sensor sheets", May 29 - June 2, 2022.
69. 2022 MRS Spring Meeting & Exhibit, "Multimodal flexible sensor sheet for remote healthcare application", May. 23-25, 2022.
68. Online Conference: Nanomaterials & Electronics for Wearable Implantable Devices & Applications (NEWIDEA 2021), "Human-interactive multimodal wearable sensor sheet", Dec. 6, 2021.
67. Kyoto University, iCeMS seminar, "Heterogeneous material-integrated multi-functional flexible healthcare sensors", Nov. 29, 2021.
66. 6th International Conference on Advanced Electromaterials (ICAE 2021), "Multimodal flexible sensor sheets for feedback wearable applications", Nov. 9-12, 2021.
65. 240th ECS meeting, "Multimodal flexible sensor system with wireless feedback alarm function", October 10-14, 2021.
64. IUMRS-ICA 2021, "Multi-functional flexible sensor sheets with feedback functions", October 4th, 2021.
63. The 11th International Conference on Flexible and Printed Electronics (ICFPE 2021), "Multimodal flexible and wearable sensor systems", Sep. 27, 2021.
62. 2021 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2021), "Wireless multimodal flexible sensor system with feedback alarm functions", August 30, 2021.
61. 8th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2021), "Multi-functional flexible sensor sheets for IoT Applications", June 1-3, 2021.
60. International Conference on Display Technology (ICDT 2021), "Multi-functional flexible sensor sheets for IoT society", May 30-June 2, 2021.
59. IDW 20, "Multimodal flexible sensor sheets", Dec. 9, 2020.
58. 2020 Virtual MRS Spring/Fall Meeting & Exhibit, "Flexible sensor sheets using carbon nanotube-based composite materials", Nov. 27 - Dec. 4, 2020.
57. PRiME 2020, "Multi-functional flexible sensor sheets for IoT society", October 10th, 2020.
56. iCANX, "Flexible sensors and circuits for IoT applications", September 11th, 2020.
55. SEMI Taiwan: Flextech seminar, "Macroscale flexible sensor sheets", December 13th, 2019.
54. NAUM 19 Industry Summit, "Carbon nanotube-based flexible temperature and tactile force sensors", November 6th, 2019.
53. 2019 International Symposium on Energy Conversion and Storage Materials (ISECSM 2019), "Flexible sensor sheets for Internet of Things", July 31st, 2019.
52. East China University of Science and Technology Seminar, "Flexible physical and chemical sensor sheets", June 3rd, 2019.
51. SID Display week 2019, "Flexible sensors and memory integration toward electronic wallpaper", May 14th, 2019.
50. Southern University of Science and Technology Seminar (China), "Flexible physical and chemical sensor sheets", April 22nd, 2019.
49. RoboSoft 2019 Workshop, "Flexible sensors for healthcare applications and soft robotics", April 14th, 2019.
48. International Conference of Polymeric and Organic Materials in Yamagata University (IPOMY), "Multi-functional physical and chemical sensor patches", Jan. 26th, 2019.
47. International Workshop on Multidisciplinary Research, "Inorganic high performance printed electronics", Nov. 2nd, 2018.
46. 9th Asia Conference on Nanoscience and Nanotechnology (AsiaNANO 2018), "Carbon nanotube-based flexible devices", Oct. 20th, 2018.
45. 2018 Polymer Society of Korea Fall Meeting, "Flexible physical and chemical sensor sheets", Oct. 11th, 2018.
44. ECS and SMEQ Joint International Meeting (AiMES 2018), "Human interactive flexible multi-functional sensor sheets", Oct. 1st, 2018.
43. 18th International Meeting on Information Display (IMID 2018), "Multi-functional flexible sensor sheets for wearable and IoT applications", August 29th, 2018.
42. 2018 IEEE International Flexible Electronics Technology Conference (IFETC 2018), "Printed multifunctional flexible healthcare patch", Aug. 8th, 2018.
41. NT18, Parallel session: 6th Carbon Nanotube Thin Film Electronics and Applications Symposium (CNTFA18), "Carbon nanotube-based flexible electronics", July 15th, 2018.
40. 233rd ECS Meeting, "Printed flexible sensor-integrated wearable healthcare patch", May 14th, 2018.
39. (Keynote talk) New Generation Information Technology Asia-Pacific Innovation Workshop, "Printed flexible sensor sheets", Dec. 9th, 2017.
38. International Workshop "Frontiers in materials, sensors, and devices for humanophilic innovation", "Nanomaterial-based flexible electronics", Nov. 20th, 2017.
37. Joint Symposium of Asia Five Universities, "Inorganic nanomaterial-based flexible electronics"
36. 18th International Union of Materials Research Societies International Conference in Asia (IUMRS-ICA 2017), "Inorganic-based flexible device sheets"
35. 3rd International Congress on Advanced Rehabilitation Technology and Clinical Translation Research, "Multi-functional flexible sensor sheet"
34. 8th A3 Symposium on Emerging Materials: Nanomaterials for Energy and Electronics, "High performance flexible CMOS circuits and sensors"
33. 2017 International Meeting for Future of Electron Devices, Kansai, "Wearable, healthcare sensor sheets", June 30th, 2017.
32. small sciences symposium: Flexible and Wearable Devices, "Printed flexible sensor sheets", May 15th, 2017.
31. 62nd International Electron Devices Meeting (IEDM 2016), "High performance, flexible CMOS circuits and sensors toward wearable healthcare applications", Dec. 5th, 2016.
30. 29th International Microprocesses and Nanotechnology Conference (MNC 2016), "Macro-scale, multi-sensing flexible devices for human interactive applications", Nov. 10th, 2016.
29. SumKen seminar, "Flexible sensors and devices", Oct. 18th, 2016.
28. 14th International Nanotech Symposium & nano-Convergence Expo in Korea (Nano Korea 2016), "Wearable and flexible healthcare devices", July 13th, 2016.
27. 23rd International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD16), "Nanomaterial-based flexible and wearable sensor sheets", Jul. 6th, 2016.
26. 33rd International Conference of Photopolymer Science and Technology, "Printed flexible sensor sheets", Jun. 24th, 2016.
25. SPIE Defense+Commercial Sensing 2016, "Challenge and perspective of macro-scale, multi-functional high performance flexible electronics", Apr. 19th, 2016.
24. 228th ECS Meeting, "Printed High Performance Flexible Device Sheets", Oct. 11-15, 2015.
23. International Symposium on Thin FIlm Technologies for Flexible Devices (JSPS Autumn Meeting 2015), "Nanomaterial-Based Printed Flexible Device Sheets", Sep. 14, 2015.
22. 15th International Meeting on Information Display (IMID 2015), "Inorganic-Based Heterogenously Integrated Flexible Transistors and Sensors", August 21st, 2015.
21. Nanotechnology Congress & Expo, "Printed Nanomaterials-Based Flexible Sheet", August 12th, 2015.
20. 17th International Conference on Human-Computer Interaction (HCI International 2015), "Flexible and Wearable Sensors", August 7th, 2015.
19. 16th International Conference on the Science and Application of Nanotube (NT15) Satellite Symposium (CNTFA15), "Carbon Nanotube-Based Printed Flexible Electronics: Materials, Fabrication, and Applications", June 28, 2015.
18. Energy Materials Nanotechnology (EMN) Phuket Meeting, "Printed Flexible Sensor Sheet", May 4-7, 2015.
17. 7th Science Conclave, "Printable Inorganic Nanomaterial Devices: Fabrication Process, Characteristics, and Applications", Dec. 8-12, 2014.
16. 226th ECS meeting, "Nanomaterial-Based Macroscale Printable Flexible Sensors", Oct. 5-10, 2014.
15. Energy Materials Nanotechnology (EMN) Conference (EMN Open 2014), "Inorganic Nanomaterial-based Printable Flexible Devices", Sep. 22-25, 2014.
14. 16th International Conference on Human-Computer Interaction (HCI International 2014), "Human interactive wearable devices: Applications of artificial electronic skins and smart bandages", June 22-27, 2014.
13. Osaka University, "Printable high performance devices using inorganic nanomaterials", June 20, 2014.
12. (Keynote speaker) Mingdao Forum, Business Technology Fair, "Printable nanomaterial devices on user-defined substrates", May 27-28, 2014.
11. Wearable futures in London 2013, "Wearable devices toward an application of smart bandage", December 11th, 2013.
10. 224th ECS meeting, "Printable nanomateriasl for flexible electronics", October 29th, 2013.
9. Special seminar at Tokyo Insitute of Technology (Material Research Center for Element Strategy), "Nanomaterial devices toward next generation electronics", November 16, 2012.
8. Special seminar at the University of Tokyo, "High performance inorganic nanomaterial devices toward wearable electronics", September 7, 2012.
7. Special seminar at Tokyo Insitute of Technology, "Nanomaterial electronics: processes, devices, and characterizations", September 4, 2012.
6. Global COE symposium 2012 in Japan, "Large scale assembling and processing of nanomaterials for high performance electronics", March 6, 2012.
5. IEEE/RSJ International Conference on Intelligent Robots and Systems “Current and Future Related Technology for Robotic Automation in Micro/Nano Scale” workshop, “Artificial electronic skin based on nanomaterial active matrix circuitry”, September 30, 2011
4. SID 2011 "The Future of Touch & Interactivity”, “Artificial electronic skin”, May 18, 2011
3. UC Berkeley, Mechanical engineering, “Nanowire-based flexible electronics”, November 4, 2010
2. Berkeley Sensor and Actuator Center, Fall 2010 IAB conference, “Low-Power, High-Performance Electronics and Sensors on Bendable Substrates”, Semptember 16, 2010.
1. Symposium on LifeChips 2009, “Out-of-plane microtube arrays for drug delivery”, January 9-10, 2009.
Domestic invited talks (in Japanese) 41
International conferences (Selected)
45. 33rd International Conference on Micro Electro Mechanical Systems (MEMS 2020), “Out-of-plane flexible electronic whisker array”, S. Wakabayashi, T. Yamaguchi, T. Arie, S. Akita, K. Takei, January 18-22, 2020, Vancouver, Canada (Oral presentation).
44. 33rd International Conference on Micro Electro Mechanical Systems (MEMS 2020), “Wearable and flexible heart pulse sensor integrated with a soft pump and actuator”, T. Yamaguchi, T. Arie, S. Akita, K. Takei, January 18-22, 2020, Vancouver, Canada (Poster presentation).
43. 20th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2019), "Electronic skin-integrated soft robotic hand", T. Yamaguchi, T. Arie, S. Akita, K. Takei, June 23-27, Berlin, Germany (Oral presentation)
42. 20th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2019), "Highly sensitive charge-couple device-based flexible pH sensor for wearable health care application", M. Shiomi, S. Nakata, Y. Fujita, T. Arie, S. Akita, K. Takei, June 23-27, Berlin, Germany (Oral presentation)
41. 2018 MRS Fall Meeting & Exhibit, "All solution-processed p-n junction diodes", D. Yamamoto, T. Arie, S. Akita, K. Takei, Nov. 25-30, 2018, Boston, USA (Oral presentation)
40. 2018 MRS Fall Meeting & Exhibit, "Band alignment study of locally gate-controlled graphene/carbon nanotube junctions", M. Shiomi, T. Arie, S. Akita, K. Takei, Nov. 25-30, 2018, Boston, USA (Poster presentation)
39. 2018 MRS Fall Meeting & Exhibit, "Sensitivity controllable, printed flexible vibration sensor", D. Yamamoto, T. Arie, S. Akita, K. Takei, Nov. 25-30, 2018, Boston, USA (Poster presentation)
38. 31st International Conference on Micro Electro Mechanical Systems (MEMS 2018), “Flexible electronic-wallpaper integrated with FGRAM-based tactile memory and temperature sensor”, S. Nakata, K. Kanao, T. Arie, S. Akita, K. Takei, January 21-25, 2018, Belfast, UK (Poster presentation).
37. 19th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2017), "Flexible integrated chemical and physical sensors toward a wearable healthcare patch", S. Nakata, T. Arie, S. Akita, K. Takei, June 18-22, Kaohsiung, Taiwan (Poster presentation)
36. 30th International Conference on Micro Electro Mechanical Systems (MEMS 2017), “All-printed, planar-type multi-functional wearable flexible patch integrated with acceleration, temperature, and ECG sensors”, D. Yamamoto, S. Nakata, K. Kanao, T. Arie, S. Akita, K. Takei, January 22-26, 2017, Las Vegas, USA (Oral presentation).
35. 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2016), "Flexible and wearable health monitoring devices", Y. Yamamoto, S. Harada, W. Honda, T. Arie, S. Akita, K. Takei, October 9-13, 2016, Dublin, Ireland (Poster presentation)
34. 29th International Conference on Micro Electro Mechanical Systems (MEMS 2016), “All solution-processed flexible memory integrated with tactile sensor”, K. Kanao, S. Nakata, T. Arie, S. Akita, K. Takei, January 24-28, 2016, Shanghai, China (Poster presentation).
33. 29th International Conference on Micro Electro Mechanical Systems (MEMS 2016), “Flexible and high selective pressure sensitive rubber for tactile sensing”, S. Nakata, K. Kanao, S. Harada, T. Arie, S. Akita, K. Takei, January 24-28, 2016, Shanghai, China (Poster presentation).
32. 16th International Conference on the Science and Application of Nanotube (NT15), "Carbon nanotube-based high selective tactile pressure and temperature sensor arrays for an artificial skin application", K. Kanao, S. Harada, Y. Yamamoto, W. Honda, T. Arie, S. Akita, K. Takei, June 29-July 3, 2015 Nagoya, Japan (Poster presentation).
31. 18th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2015), "Flexible, printed tactile, friction, and temperature sensor array for artificial skin", S. Harada, K. Kanao, Y. Yamamoto, T. Arie, S. Akita, K. Takei, June 21-25, 2015, Anchorage, USA (Oral presentation).
30. 18th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2015), "Biological inspired superhydrophobic and self-cleaning flexible silicone rubber", S. Harada, T. Arie, S. Akita, K. Takei, June 21-25, 2015, Anchorage, USA (Oral presentation).
29. 18th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2015), "Inorganic material-based flexible CMOS circuit and optical sensor", W. Honda, T. Arie, S. Akita, K. Takei, June 21-25, 2015, Anchorage, USA (Poster presentation).
28. 18th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2015), "Electrical powerless, thermal and optical responsive polymer-based actuator", Y. Yamamoto, K.Kanao, T. Arie, S. Akita, K. Takei, June 21-25, 2015, Anchorage, USA (Poster presentation).
27. 28th International Conference on Micro Electro Mechanical Systems (MEMS 2015), “Printable flexible tactile pressure and temperature sensors with high selectivity against bending”, K. Kanao, S. Harada, Y. Yamamoto, W. Honda, T. Arie, S. Akita, K. Takei, January 18-22, 2015, Estoril, Portugal (Poster presentation).
26. IEEE SENSORS 2014, "Printed wearable temperature sensor for health monitoring", W. Honda, S. Harada, T. Arie, S. Akita, K. Takei, Nov. 2-5, 2014, Valencia (Oral Presentation)
25. 27th International Conference on Micro Electro Mechanical Systems (MEMS 2014), “Fully printed, large-scale, high sensitive strain sensor array for stress monitoring of infrastructures”, S. Harada, W. Honda, T. Arie, S. Akita, K. Takei, January 26-30, 2014, San Francisco (Poster presentation).
24. 2013 MRS Spring meeting, “Large scale integrated multifunctional artificial electronic skin”. K. Takei, K. Chen, Z. Yu, A. Javey (Oral presentation).
23. The 2012 International Conference on Flexible and Printed Electronics (ICFPE 2012), "High performance flexible electronics for artificial electronic skins", K. Takei, C. Wang, T. Takahashi, A. Javey.
22. 2012 MRS Spring meeting, “N-type and P-type High Mobility III-V Semiconductors on Si/SiO2 Substrates”. K. Takei, S. Chuang, H. Fang, R. Kapadia, A. Javey (Oral presentation)
21. The 37th IEEE photovoltaics specialist conference, “Strongly enhanced minority lifetimes in silicon nanowires by surface passivation”, Y. Dan, K. Seo, K. Takei, J. H. Meza, A. Javey, K. B. Crozier (Oral presentation)
20. 2011 MRS Spring meeting, “Nanowire-based, macroscale artificial skin sensor with low voltage operation” K. Takei, T. Takahashi, A. G. Gillies, R. S. Fearing, A. Javey, (Oral presentation)
19. 2011 MRS Spring meeting, “Parallel array InAs nanowire transistors for flexible ultrahigh frequency electronics”, T. Takahashi, K. Takei, E. Adabi, A. M. Niknejad, A. Javey, (Oral presentation)
18. 2011 MRS Spring meeting, “Ultra-thin III-V on Insulator (XOI) layers for high-performance and low-power transistors”, R. Kapadia, K. Takei, H. Ko, S. Chuang, H. Fang, P. W. Leu, K. Ganapathi, E. Plis, H. S. Kim, S.-Y. Chen, M. Madsen, A. C. Ford, Y.-L. Chueh, S. Salahuddin, S. Krishna, A. Javey, (Oral presentation)
17. 2011 MRS Spring meeting, “Photoelectrochemical solar-to-fuel conversion from semiconductors coated on anti-reflective texturized carbon nanofiber arrays”, C. L. Pint, K. Takei, R. Kapadia, M. Zheng, J. Moon, A. Jamshidi, A. Ford, M. Wu, B. Cruden, A. Javey, (Oral presentation)
16. 2011 MRS Spring meeting, “Strain engineering in ultra-thin III-V on Insulator (XOI)”, H. Fang, K. Takei, C. Carraro, M. Madsen, A. C. Ford, E. Plis, N. Gautam, S. Krishna, R. Maboudian, A. Javey, (Poster presentation)
15. 2011 MRS Spring meeting, “Generic nanowire integration methods for nanoelectronics”, M. H. Lee, K. Takei, T. Takahashi, A. C. Ford, A. Javey, (Poster presentation)
14. 2010 International electron devices meeting (IEDM 2010), “Graphitic interfacial layer to carbon nanotube for low electrical contact resistance”, Y. Chai, A. Hazeghi, K. Takei, H. H. Chen, P. C. H. Chan, A. Javey, H.-S. P. Wong, (Oral presentation)
13. 2011 E-MRS Spring meeting, “Ultrathin InGaSb layers on insulator for high performance transistors” M. Madsen, K. Takei, S. Chuang, A. Javey, (Oral presentation)
12. 2010 International electron devices meeting (IEDM 2010), “Resistive switching of carbon-based RRAM with CNT electrodes for ultra-dense memory”, Y. Chai, Y. Wu, K. Takei, H.-Y. Chen, S. Yu, P. C. H. Chan, A. Javey, H.-S. P. Wong, (Oral presentation)
11. 2010 MRS fall meeting, “Surface passivation of silicon nanowires”, Y. Dan, K. Seo, K. Takei, A. Javey, K. B. Crozier, Nov. 29-Dec. 3, 2010 Boston USA, (Oral presentation)
10. 2009 MRS fall meeting, “Generic approaches towards large scale nanowire assembly” Z. Fan, J. C. Ho, T. Takahashi, Z. A. Jacobson, R. Yerushalmi, K. Takei, A. Javey, Nov. 30-Dec.4, 2009, Boston USA, (Oral presentation)
9. The 15th International conference on solid-state sensors, actuators and Microsystems (Transducers ‘09), “Integrated SiO2 microtube-based electrical neuroprobe array”, K. Takei, A. Fujishiro, T. Kawashima, K. Sawada, H. Kaneko, T. Kawano, M. Ishida, June 21-25, 2009, Denver USA: Accepted (Poster presentation)
8. The 15th International conference on solid-state sensors, actuators and Microsystems (Transducers ‘09), “Multisite field potential recording from retina via vapor-liquid-solid grown silicon probe array”, T. Harimoto, A. Ishihara, T. Kawano, K. Takei, H. Kaneko, M. Ishida, S. Usui, June 21-25, 2009, Denver USA: Accepted (Oral presentation)
7. 22nd International Conference on Micro Electro Mechanical Systems (MEMS 2009), “Sub 5μm Diameter Silicon Microprobe and Silicon Dioxide Microtube Arrays for Low-Invasive In-vivo Animal Experiments”, K. Takei, T. Kawano, T. Kawashima, K. Sawada, H. Kaneko, M. Ishida, January 25-29, 2009, Italy, pp. 192-195 (Oral presentation)
6. 22nd International Conference on Micro Electro Mechanical System (MEMS2009), “Batch Fabrication of Out-of-Plane, IC-Compatible, Nanoscale-Tip Silicon Neuroprobe Arrays”, A. Goryu, A. Ikedo, K. Takei, K. Sawada, T. Kawano, M. Ishida, January 25-29, 2009, Italy, pp. 224-227 (Poster presentation)
5. Asia-Pacific Conference of Transducers and Micro-Nano Technology (APCOT 2008), “Source-follower Amplifier Array with Vapor-liquid-solid Grown Silicon Microprobe Electrodes on Si (111) Substrate”, K. Mayumi, K. Takei, T. Kawashima, T. Kawano, H. Takao, K. Sawada, M. Ishida, June 22-25, 2008, Taiwan (Oral presentation)
4. 2007 Korea-Japan Joint Workshop on Advanced Semiconductor Processes and Equipments, "Development of Micro- and Submicro- Tube Array", K. Takei, T. Kawashima, T. Kawano, H. Takao, K. Sawada, M. Ishida, October 4-6, 2007, Busan, Korea, pp. 233-235 (Poster presentation)
3. 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2007), “Mechanical Property of Micro Probe and Tube Array for Neural Penetrating Devices”, K. Takei, T. Kawashima, K. Sawada, M. Ishida, August 23-26, 2007, Lyon France, pp.179-182 (Oral presentation)
2. The 14th International conference on solid-state sensors, actuators and Microsystems (Transducers ‘07), “Si micro probe and SiO2 micro tube array integrated with nMOSFETs”, K. Takei, T. Kawashima, H. Takao, K. Sawada, M. Ishida, June 9-14, 2007, Lyon France, pp.1381-1384 (Oral presentation)
1. Asia-Pacific Conference of Transducers and Micro-Nano Technology (APCOT 2006), “Micro SiO2 tube array on Si(111) substrates for intelligent devices using Vapor-Liquid-Solid method and selective Si etching by XeF2 gas”, K. Takei, T. Kawashima, H. Takao, K. Sawada, M. Ishida, June 25-28, 2006, Singapore, p.272 (Poster presentation)