Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5987044 | Semiconductor light source system having an optimized setting for driving a laser diode | Tetsufumi Odagawa | 1999-11-16 |
| 5715075 | Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device | Kazuhiro Tanaka, Hiroyuki Nobuhara, Nobuhiro Fujimoto, Hiroyuki Rokugawa, Satoshi Kuroyanagi | 1998-02-03 |
| 5657144 | Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device | Kazuhiro Tanaka, Hiroyuki Nobuhara, Nobuhiro Fujimoto, Hiroyuki Rokugawa, Satoshi Kuroyanagi | 1997-08-12 |
| 5179615 | Optical waveguide having a variable refractive index and an optical laser having such an optical waveguide | Kazuhiro Tanaka | 1993-01-12 |
| 4726031 | Semiconductor laser | Haruhisa Soda | 1988-02-16 |