Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080806 | Electron tube | Motohiro Suyama, Katsushi Arisaka, Hanguo Wang | 2011-12-20 |
| 8040060 | Electron tube | Yasuyuki Egawa, Motohiro Suyama | 2011-10-18 |
| 7876033 | Electron tube | Tomohiro Ishizu, Yasuyuki Egawa, Motohiro Suyama | 2011-01-25 |