Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837526 | Semiconductor external optical modulator | Yukio Noda, Yukitoshi Kushiro, Shigeyuki Akiba | 1989-06-06 |
| 4820655 | Method for manufacturing semiconductor optical integrated device with optical waveguide regions | Yukio Noda, Yukitoshi Kushiro, Shigeyuki Akiba | 1989-04-11 |
| 4811352 | Semiconductor integrated light emitting device | Shigeyuki Akiba, Hideaki Tanaka, Yukitoshi Kushiro | 1989-03-07 |
| 4811353 | Semiconductor optical modulator | Yukio Noda, Yukitoshi Kushiro, Shigeyuki Akiba | 1989-03-07 |
| 4805024 | Still image pickup camera using high speed clear pulses to define a storage interval corresponding to a desired shutter speed | Yoshimasa Fujikawa, Koichi Fujimoto | 1989-02-14 |
| 4796274 | Semiconductor device with distributed bragg reflector | Shigeyuki Akiba, Masashi Usami, Yukio Noda | 1989-01-03 |