Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6229833 | Laser diode protecting circuit and laser driving current control circuit | Motoyoshi Sekiya, Setsuo Misaizu, Tetsuya Kiyonaga, Nobuaki Sato, Yasunori Nagakubo | 2001-05-08 |
| 6097746 | Laser diode protecting circuit | Motoyoshi Sekiya, Setsuo Misaizu, Tetsuya Kiyonaga | 2000-08-01 |
| 5900959 | Optical transmitter, optical communication system and optical communication method | Setsuo Misaizu, Motoyoshi Sekiya, Yasunori Nagakubo | 1999-05-04 |
| 5706117 | Drive circuit for electro-absorption optical modulator and optical transmitter including the optical modulator | Keisuke Imai, Setsuo Misaizu, Hiroshi Yamada | 1998-01-06 |