1. Kazunori Takahashi, "Radiofrequency plasmas in a magnetic nozzle: fundamental physics and applications", 9th Asia-Pacific Conference on Plasma Physics, 2025/9/21 - 9/26, Fukuoka International Congress Center, Japan (招待講演).

2. Yung-An Chan and Kazunori Takahashi, "Discharge and Plume Characteristics of ALFVEN Thruster", 39th International Electric Propulsion Conference, 2025/9/14 - 9/19, Imperial College London, UK (一般口頭).

1. Yugo Nakahama and Kazunori Takahashi, "Effect of gas injection pattern on magnetically expanding rf plasma thruster", ISPlasma2024/IC-PLANTS2024/APSPT-13, 2024/3/4 - 3/8, Nagoya University, Japan (ポスター).

2. Kodai Kikuchi and Kazunori Takahashi, "Electron beam extraction from an inductively coupled radiofrequency plasma source", ISPlasma2024/IC-PLANTS2024/APSPT-13, 2024/3/4 - 3/8, Nagoya University, Japan (ポスター).

3. Kazunori Takahashi, "Plasma Dynamics in a Magnetic Nozzle Radiofrequency Plasma Thruster", ISPlasma2024/IC-PLANTS2024/APSPT-13, 2024/3/4 - 3/8, Nagoya University, Japan (招待講演).

4. Kazunori Takahashi, "Helicon thruster research and development", Second Helicon Plasma Physics and Applications Workshop, 2024/4/12/ - 4/14, Chongqing, China (基調講演)

5. Kazunori Takahashi, "5-kW class helicon plasma thruster performance",  the 38th edition of the International Electric Propulsion Conference, 2024/6/23 - 28, Toulouse, France (口頭)

6. Kazunori Takahashi, Christine Charles, and Rod W Boswell, "Cross-field electron transport in a magnetic nozzle", the 38th edition of the International Electric Propulsion Conference, 2024/6/23 - 28, Toulouse, France (口頭)

7. Yugo Nakahama and Kazunori Takahashi, "Evaluation of a magnetic nozzle radiofrequency plasma thruster with cusp magnetic field using permanent magnet array",  the 38th edition of the International Electric Propulsion Conference, 2024/6/23 - 28, Toulouse, France (ポスター)

8. Yung-An Chan, Kazunori Takahashi, Martin Grabe, Julian Ammer, and Christopher Geile, "Development and characterization of the ALFVEN thruster",  the 38th edition of the International Electric Propulsion Conference, 2024/6/23 - 28, Toulouse, France (口頭)

1. Kazunori Takahashi, "Magnetic nozzle rf plasma thruster", Deutsches Zentrum für Luft- und Raumfahrt (DLR) workshop on helicon thruster, 2023 2/1 - 2/3, DLR Gottingen, Germany (招待講演)

2. Kazunori Takahashi, "Magnetic nozzle radiofrequency plasma thruster", The 11th Asia Joint Conference on Propulsion and Power,  2023 3/15 - 3/18, Kanazawa Caltural Hall, Ishikawa, Japan (招待講演)

3. Felicien Filleul, Antonella Caldarelli, Kazunori Takahashi, Rod Boswell, Christine Charles, Nicholas Rattenbury, John Cater, "Features of helicon waves in a non-uniform magnetic field", The 49th European Conference on Plasma Physics, 2023 7/3-7/7, Bordeaux Congress Center, Bordeaux, France (ポスター)

4. Kazunori Takahashi, "Fundamental studies and applications of magnetic nozzle plasma", International Conference on Phenomena in Ionized Gases XXXVth edition, 2023 7/9 - 7/14, Egmond aan Zee, Netherlands (招待講演)

5. Kazunori Takahashi, Christine Charles, Rod W Boswell, "Cross-field inward electron transnport in a magnetic nozzle rf plasma thruster", The second International Fusion and Plasma Conference (iFPC 2023) and the 13th International Conference on Open Magnetic Systems for Plasma Confinement (OS 2023), 2023 8/21-8/25, Busan Port International Exhibition & Convention Center, Busan, Korea (一般口頭)

6. Sota Shimizu, Kazunori Takahashi, "Performance assesment of a pulsed gaseous water-fueled magnetron sputtering source for a compact electric propulsion device", The second International Fusion and Plasma Conference (iFPC 2023) and the 13th International Conference on Open Magnetic Systems for Plasma Confinement (OS 2023),  2023 8/21-8/25, Busan Port International Exhibition & Convention Center, Busan, Korea (ポスター)

7. Yugo nakahama, Kazunori Takahashi, "Evaluation of a magnetic nozzle plasma thruster performance with a cusp magnetic field provided by a permanent magnets array", The second International Fusion and Plasma Conference (iFPC 2023) and the 13th International Conference on Open Magnetic Systems for Plasma Confinement (OS 2023),  2023 8/21-8/25, Busan Port International Exhibition & Convention Center, Busan, Korea (ポスター)

8. Soya Sumikawa, Kazunori Takahashi, "Electron-oriented thrust component in a magnetic nozzle", The second International Fusion and Plasma Conference (iFPC 2023) and the 13th International Conference on Open Magnetic Systems for Plasma Confinement (OS 2023), 2023 8/21-8/25, Busan Port International Exhibition & Convention Center, Busan, Korea (ポスター)

9. Kazunori Takahashi, Christine Charles, and Rod W Boswell, "Magnetic nozzle rf plasma thruster: performance improvement and electron detachment", 7th Asia-Pacific Conference on Plasma Physics,  2023 11/12 - 11/17, Port Messe, Nagoya, Japan (招待講演)

10. Kazunori Takahashi, Christine Charles, and Rod W Boswell, "Experimental demonstration of diamagnetism enhanced by energetic electrons in a magnetic nozzle plasma", 7th Asia-Pacific Conference on Plasma Physics, 2023 11/12 - 11/17, Port Messe, Nagoya, Japan (ポスター)

11. Sota Shimizu, Kazunori Takahashi, "Operating a magnetron sputtering electric propulsion device with a pulsed gaseous water propellant", 7th Asia-Pacific Conference on Plasma Physics, 2023 11/12 - 11/17, Port Messe, Nagoya, Japan (ポスター)

12. Yugo nakahama, Kazunori Takahashi, "Effect of a cusp magnetic field provided by a permanent magnet array on a magnetic nozzle plasma thruster performance", 7th Asia-Pacific Conference on Plasma Physics, 2023 11/12 - 11/17, Port Messe, Nagoya, Japan (ポスター)

13. Soya Sumikawa, Kazunori Takahashi, "Demonstrating a thrust generation by electrons in a magnetic nozzle rf plasma thruster", 7th Asia-Pacific Conference on Plasma Physics, 2023 11/12 - 11/17, Port Messe, Nagoya, Japan (ポスター)

1. Kazunori Takahashi, Ryoji Imai, and Kengo Hanaoka, "A magnetic nozzle rf plasma thruster - performance improvement and rf system development -", 33rd International Symposium on Space Technology and Science, 2022 2/26 - 3/4, Beppu, Oita, Japan (一般口頭)

2. Ryoji Imai, Kazunori Takahashi, "Experimental investigation on a magnetically-steered radiofrequency plasma thruster", 33rd International Symposium on Space Technology and Science, 2022 2/26 - 3/4, Beppu, Oita, Japan (一般口頭)

3. Kazunori Takahashi, Christine Charles, Rod Boswell, "Magnetic nozzles and plasma plumes", ExB Plasma Workshop, 2022 2/16 - 2/18, E-conference, Madrid, Spain (招待講演)

4. Kazunori Takahashi, "Helicon plasmas, magnetic nozzles", Online low temperature plasma seminar, 2022 4/19, E-conference, Princeton Plasma Physics Laboratory (招待講演)

5. Sota Shimizu, Kazunori Takahashi, "Measurement of a thrust induced by water-fueled magnetron sputtering source", The 75th Annual Gaseous Electronics Conference, 2022 10/3 - 10/7, Sendai International Center, Sendai, Japan (ポスター)

6. Kazunori Takahashi, Christine Charles, Rod Boswell, "Assessment of cross-field electron transport in a magnetic nozzle", The 75th Annual Gaseous Electronics Conference, 2022 10/3 - 10/7, Sendai International Center, Sendai, Japan (一般口頭)

7. Kazuma Emoto, Kazunori Takahashi, Yoshinori Takao, "Numerical investigation on plasma expansion and particle energy in a magnetic nozzle", The 75th Annual Gaseous Electronics Conference, 2022 10/3 - 10/7, Sendai International Center, Sendai, Japan (一般口頭)

8. Christine Charles, Dimitrios Tsifakis, Rod Boswell, Kazunori Takahashi, Robert Georges, Jessica Benedicto, Eric Rius, Noel Smith, Paul Tesch, "Radiofrequency plasma thrusters and related studies", The 75th Annual Gaseous Electronics Conference, 2022 10/3 - 10/7, Sendai International Center, Sendai, Japan (招待講演)

9. Rod Boswell, Felicien Filleul, Antonella Caldarelli, Christine Charles, Kazunori Takahashi, Alex Bennet, "The Blue Core Paradigm", The 75th Annual Gaseous Electronics Conference, 2022 10/3 - 10/7, Sendai International Center, Sendai, Japan (招待講演)

10. Thanatith Nakul, Kazunori Takahashi, "Characterization of a 2 MHz magnetically expanding RF plasma source for thruster development", The 75th Annual Gaseous Electronics Conference, 2022 10/3 - 10/7, Sendai International Center, Sendai, Japan (一般口頭)

11. Soya Sumikawa, Kazunori Takahashi, "Density profile control of a magnetically expanding plasma and its impact on a plasma thruster", The 75th Annual Gaseous Electronics Conference, 2022 10/3 - 10/7, Sendai International Center, Sendai, Japan (ポスター)

12. Kosuke Tsukuda, Kazunori Takahashi, "Effect of energetic tail component on a polytropic index of electrons expanding in a magnetic nozzle", 6th Asia Pacific Conference on Plasma Physics, 2022 10/9 - 10/14, E-conference (ポスター)

13. Sota Shimizu, Kazunori Takahashi, "Measurement of a thrust induced by water-fueled magnetron sputtering source", 6th Asia Pacific Conference on Plasma Physics, 2022 10/9 - 10/14, E-conference (ポスター)

14. Kazunori Takahashi, "Magnetic nozzle radiofrequency plasma systems for space and industry, The 31st International Toki Conference on Plasma and Fusion Research E-conference, 2022 11/8 - 11/11, E-conference (招待講演)

15. Kazunori Takahashi, "Plasma Transport in a Magnetic Nozzle and Thruster Development", 20th International Congress on Plasma Physics, 2022 11/27 - 12/2, HICO, Gyiongju, Korea (招待講演)

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