J. U. Kim*, "A Si Nanomembrane Sensor System for Decoupled Bio-signal Acquisition" 2026 Spring Conference of the Korean Sensor Sociaty, Seoul, Korea. (March 19, 2026) [Invited]  

J. U. Kim, "Wireless Bioresorbable Silicon Electronic System" Kyung Hee University, Yongin, Korea (June 9, 2025) [Invited Seminar] 

J. U. Kim, S. G. Seo, H. Wang, J.-Y. Yoo, C. K. Franz, J. A. Rogers*, "Wireless, Light-controlled, Bioresorbable Silicon Electronic Systems for Electrical Stimulation of Diaphragm Muscle" QSI RENU Symposium on Translational Regenerative Engineering, Chicago, U.S. (April 29, 2025) [Poster Presentation]

J. U. Kim, "Cardiovascular Implant for Wireless, Realtime Monitoring of Hemodynamic Parameters" Kyung Hee University, Yongin, Korea
(April 23, 2023) [Invited Virtual Seminar] 

J. U. Kim, "Au-coated Nanoturf Structure for Light-to-Heat Conversion" Kyung Hee University, Yongin, Korea (June 17, 2022) [Invited Seminar] 

J. U. Kim, "Cardiovascular Implant for Wireless Monitoring of Hemodynamic Parameters" Yonsei University, Seoul, Korea (June 7, 2022) [Invited Virtual Seminar] 

J. U. Kim, "Cardiovascular Implant for Wireless Monitoring of Hemodynamic Parameters" Hanyang University, Seoul, Korea (June 2, 2022) [Invited Seminar] 

J. U. Kim, H. Park, M. Suh*, and T.-i. Kim*, "Biocompatibility-Enhanced, Cerebrospinal Fluid (CSF)-philic Soft Cranial Window for In Vivo Brain Imaging" 2022 Materials Research Society of Korea, Spring Conference, Samcheok, Korea (May 18, 2022) [Oral Presentation] 

J. U. Kim, H. Park, M. Suh*, and T.-i. Kim*, "Cerebrospinal Fluid (CSF)-philic Soft Cranial Window for Long-term In Vivo Brain Imaging" 2022 KIChE Spring Meeting, JeJu, Korea (April 22, 2022) [Oral Presentation] 

J. U. Kim, S. J. Kang, S. J. Kwon*, and T.-i. Kim*, "Broadband Light Absorber with Au-coated Hierarchical Nanoturf structures for Solar-Thermal Conversion" 2021 MRS Fall Virtual Meeting (December 06, 2021) [Oral Presentation] 

J. U. Kim, S. J. Kwon*, and T.-i. Kim*, "Broadband Light Absorber with Hierarchical Nanoturf structures for Solar-Thermal Applications" The 19th International Symposium on Microelectronics and Packaging (ISMP 2021), Busan, Korea (November 4, 2021) [Poster Presentation] 

J. U. Kim, and T.-i. Kim*, "Omnidirectional, Broadband Light Absorber with High Aspect Ratio (AR) Nanoturf structures for Solar-Thermal Conversion" MCARE-EHS-21 Virtual Conference (July 22, 2021) [Oral Presentation] 

J. U. Kim, S. J. Kang, and T.-i. Kim*, "Omnidirectional Light Absorber with Gold-coated Hierarchical Nanoturfs for Solar-Thermal Conversion" 2021 KIChE Spring Meeting, Busan, Korea (April 23, 2021) [Oral Presentation] 

J. U. Kim, S. J. Kang, S. J. Kwon*, and T.-i. Kim*, "Omnidirectional, Broadband Light Absorber with Hierarchical Nanoturf structures for Solar-Thermal Conversion" 2021 MRS Spring Virtual meeting (April 20, 2021) [Oral Presentation]

S. Lee, G. Hwang, T. H. Kim, S. J. Kwon, J. U. Kim, Y. Jung, J. Lee, and T.-i. Kim* "On-Demand Drug Release from Gold Nanoturf for a Thermo- & Chemo-Therapeutic Esophageal Stent (TES)" 2018 KBCS Spring Meeting, Pyeongchang, Korea (May 17, 2018) [Oral Presentation] 

J. U. Kim, K. S. Kim, P. J. Yoo*, and T.-i. Kim* "Unconventional micro and nanopatterning method by precisely temperature-controllable mold" 2018 APS March Meeting, Los Angeles, U.S. (March 06, 2018) [Oral Presentation] 

J. U. Kim, K. S. Kim, P. J. Yoo*, and T.-i. Kim*, "Precisely temperature-controllable mold for unconventional patterning and its applications" 2017 KGPF, Busan, Korea (December 14–15, 2017) [Oral and Poster Presentation] received the poster presentation award 

J. U. Kim, K. S. Kim, P. J. Yoo*, and T.-i. Kim*, "Selective dewetting and fabrication of hierarchical nanostructures by metal coated mold" 2017 MRS Fall Meeting, Boston, U.S. (Nov. 28, 2017) [Poster Presentation] 

J. U. Kim, K. S. Kim, P. J. Yoo*, and T.-i. Kim*, "Unconventional micro- and nano-scale patterning and its application by metal-coated mold" 3rd HUST & SKKU Bilateral Graduate Student Workshop, Wuhan, China (November 09, 2017) [Oral Presentation] received the best presentation award 

J. U. Kim, K. S. Kim, P. J. Yoo*, and T.-i. Kim*, "Unconventional nanopatterning and hierarchical nanostructure generation by metal-coated mold" 2017 PSK Fall Meeting, Jeju, Korea (October 12, 2017) [Oral Presentation] 

J. U. Kim, K. S. Kim, P. J. Yoo*, and T.-i. Kim*, "Precisely Temperature-controllable Metal-coated Polymeric Molds for Programmable and Hierarchical Patterning" 2017 KBCS Spring Meeting, Jeju, Korea (May 18, 2017) [Poster Presentation] 

J. U. Kim, K. S. Kim, S. Lee, P. J. Yoo*, and T.-i. Kim*, "High Precision Temperature-Controlled Molds; from Site-Selective Nanoscale Dewetting to Hierarchical Nanostructure Generation" 2017 KIChE Spring Meeting, JeJu, Korea (April 27, 2017) [Poster Presentation] 

J. U. Kim, K. S. Kim, P. J. Yoo*, and T.-i. Kim*, "Temperature-Controllable Nanoscale Molds for Unconventional Lithography" 2016 IUPAC PSK40 International Conference, Jeju, Korea (October 07, 2016) [Oral Presentation] 

J. U. Kim, K. S. Kim, H. Tak, S. Lee, P. J. Yoo*, and T.-i. Kim*, "Precisely Temperature-Controllable Versatile Mold; from Site-selective dewetting to Hierarchical nanostructure generation" 2016 E-MRS Fall Meeting, Warsaw, Poland (September 16, 2016) [Oral Presentation] 

J. U. Kim, K. S. Kim, H. Tak, S. Lee, P. J. Yoo*, and T.-i. Kim*, "High precision temperature-controlled mold for Unconventional lithography" 2016 KIChE Spring Meeting, Busan, Korea (April 28, 2016) [Oral Presentation] received the Hoimyung research award 

J. U. Kim, K. S. Kim, H. Tak, P. J. Yoo* and T.-i. Kim*, "Temperature-controllable molds for Step-and-repeat patterning" 2015 MRS Fall Meeting, Boston, U.S. (December 1, 2015) [Poster Presentation]