Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012109 | Charged particle beam apparatus | Hiroyasu Shichi, Setsuo Nomura | 1991-04-30 |
| 4851673 | Secondary ion mass spectrometer | Eiichi Izumi, Hiroshi Iwamoto, Hiroyasu Shichi | 1989-07-25 |
| 4476466 | Driving method of gas-discharge display panel | Yukio Okamoto, Atsushi Sumioka | 1984-10-09 |
| 4333040 | Gas discharge display device | Yukio Okamoto, Tadao Okabe, Atsushi Sumioka | 1982-06-01 |