Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11508544 | Thermoelectric field emission electron source and electron beam application device | Souichi Katagiri, Keigo Kasuya, Aki Takei, Hajime Kawano, Takashi Doi | 2022-11-22 |
| 11322329 | Electron source, method for manufacturing the same, and electron beam device using the same | Toshiaki Kusunoki, Tomihiro Hashizume, Keigo Kasuya, Noriaki Arai, Hiromitsu Seino +2 more | 2022-05-03 |
| 11227740 | Electron gun and electron beam application device | Yasunari Sohda, Souichi Katagiri, Makoto Sakakibara, Hajime Kawano, Takashi Doi | 2022-01-18 |