Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5479288 | Light transmission module | Kohei Ishizuka, Masaya Nakata, Teruhisa Azumaguchi, Junji Takeda, Hiroki Irie +3 more | 1995-12-26 |
| 4741595 | Optical transmission device | Seiichi Onoda, Yasumasa Koakutsu, Masaaki Kusano, Syouji Yamada, Masao Yano +3 more | 1988-05-03 |
| 4720630 | Active optical connector including an electronic circuit board and an optical fiber | Yasumasa Koakutsu, Junichi Shimizu, Masao Yano, Minoru Ikenoue, Seiichi Onoda | 1988-01-19 |
| 4715673 | Optical switch | Takanobu Noro, Yasumasa Koakutsu, Masao Yano, Seiichi Onoda, Hideo Arima +2 more | 1987-12-29 |