Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074506 | Method for manufacturing electron source | Takashi Ichimura, Hisao Nitta, Nobuyuki Sonobe, Hisaya Murakoshi | 2018-09-11 |
| 8766542 | Field-emission electron gun and method for controlling same | Shigeru Kokubo, Hisaya Murakoshi, Hisao Nitta | 2014-07-01 |