Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5572616 | Waveguide device | Masahiro Aoki, Tatemi Ido, Takayuki Tsutsui, Kazuhisa Uomi, Makoto Okai +1 more | 1996-11-05 |
| 5177758 | Semiconductor laser device with plural active layers and changing optical properties | Akihiko Oka, Shinji Sakano, Naoki Chinone, Tsukuru Ohtoshi, Kazuhisa Uomi +1 more | 1993-01-05 |
| 5132981 | Semiconductor optical device | Kazuhisa Uomi, Shinji Sasaki, Naoki Chinone, Tsukuru Ohtoshi | 1992-07-21 |
| 5119393 | Semiconductor laser device capable of controlling wavelength shift | Akihiko Oka, Shinji Sakano, Naoki Chinone, Tsukuru Ohtoshi, Kazuhisa Uomi +1 more | 1992-06-02 |
| 5073892 | Semiconductor laser device | Kazuhisa Uomi, Tsukuru Ohtoshi, Shinji Sasaki, Naoki Chinone | 1991-12-17 |