Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11508544 | Thermoelectric field emission electron source and electron beam application device | Soichiro Matsunaga, Souichi Katagiri, Keigo Kasuya, Hajime Kawano, Takashi Doi | 2022-11-22 |