Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658217 | Optical receiver | Kenichi Ohhata, Ryoji Takeyari, Toru Masuda, Katsuyoshi Washio | 2003-12-02 |
| 6304357 | Optical receiver | Kenichi Ohhata, Ryoji Takeyari, Toru Masuda, Katsuyoshi Washio | 2001-10-16 |
| 5376898 | Semiconductor integrated circuit device | Hiroyuki Tanaka, Tatsuya Kouketsu, Yasushi Takahashi, Kyosuke Ishikawa, Keiichi Kitamura | 1994-12-27 |
| 5166553 | Current mirror circuit employing depletion mode FETs | Nobuo Kotera, Kiichi Yamashita, Hirotoshi Tanaka, Satoshi Tanaka, Minoru Nagata | 1992-11-24 |
| 4968904 | MESFET circuit with threshold-compensated source-follower output | Kiichi Yamashita, Keiichi Kitamura, Nobuo Kotera, Hiroyuki Tanaka | 1990-11-06 |
| 4803527 | Semiconductor integrated circuit device having semi-insulator substrate | Kazumichi Mitsusada, Hirotoshi Tanaka, Takehisa Hayashi | 1989-02-07 |