Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7649921 | Laser module | Naoki Hayamizu, Yutaka Ohki, Takeshi Koiso, Yuji Yamagata, Kiyofumi Muro | 2010-01-19 |
| 6532107 | Optical amplifier, light source module and optical system | Takeharu Yamaguchi, Toshiaki Tsuda, Yuichiro Irie, Etsuji Katayama, Takeo Shimizu | 2003-03-11 |
| 4236088 | Noise-free switching circuit for and method of electronically selecting audio input signals in audio systems | Harumi Horiuchi | 1980-11-25 |