Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9076906 | Hetero-junction bipolar phototransistor with improved noise characteristic | Mutsuo Ogura, SungWoo Choi, Nobuyuki Hayama | 2015-07-07 |
| 8610170 | Compound semiconductor light-receiving element array | Mutsuo Ogura | 2013-12-17 |
| 4792931 | Optical seismic detector | Mansanari Shindo, Masaharu Suzuki, Masamichi Kondo | 1988-12-20 |
| 4783689 | Photodiode having heterojunction | — | 1988-11-08 |
| 4627283 | Fuel level detector for automobile fuel tank | Tokio Naruse, Hiroshi Shibata | 1986-12-09 |
| 4434491 | Semiconductor laser | Isamu Sakuma, Hideo Kawano, Masayasu Ueno, Yoshishige Matsumoto, Shohei Matsumoto +1 more | 1984-02-28 |