| 4885753 |
Semiconductor laser device of variable wavelength type |
Makoto Okai, Kazuhisa Uomi, Shinji Tsuji, Shinji Sakano |
1989-12-05 |
| 4881238 |
Semiconductor laser having quantum well active region doped with impurities |
Kazuhisa Uomi, Tadashi Fukuzawa, Hideaki Matsueda, Takashi Kajimura |
1989-11-14 |
| 4881235 |
Semiconductor laser having a multiple quantum well structure doped with impurities |
Kazuhisa Uomi, Tadashi Fukuzawa, Hideaki Matsueda, Takashi Kajimura, Tsukuru Ohtoshi |
1989-11-14 |
| 4873691 |
Wavelength-tunable semiconductor laser |
Kazuhisa Uomi, Shinji Tsuji, Shinji Sakano, Makoto Okai |
1989-10-10 |
| 4861130 |
Optical modulating device utilizing polariton substance |
Toshio Katsuyama, Hiroyoshi Matsumura, Hiroaki Inoue, Tadashi Fukuzawa |
1989-08-29 |
| 4841536 |
Semiconductor laser devices |
Aiko Ohishi, Motohisa Hirao, Shinji Tsuji, Hitoshi Nakamura, Hiroyoshi Matsumura |
1989-06-20 |
| 4835578 |
Semiconductor device having a quantum wire and a method of producing the same |
Tsukuru Ohtoshi, Kazuhisa Uomi, Tadashi Fukuzawa |
1989-05-30 |
| 4827483 |
Semiconductor laser device and method of fabricating the same |
Tadashi Fukuzawa, Shin'ichi Nakatsuka, Katsutoshi Saito, Takashi Kajimura, Yuuichi Ono |
1989-05-02 |
| 4821275 |
Laser diode |
Shinichi Nakatsuka, Kazuhisa Uomi, Yuichi Ono, Takashi Kajimura |
1989-04-11 |
| 4813757 |
Optical switch including bypass waveguide |
Shinji Sakano, Hiroaki Inoue, Hiroyoshi Matsumura, Hitoshi Nakamura, Toshio Katsuyama |
1989-03-21 |
| 4811354 |
Semiconductor laser |
Kazuhisa Uomi, Misuzu Yoshizawa, Shin'ichi Nakatsuka, Takashi Kajimura, Yuichi Ono |
1989-03-07 |
| 4797891 |
Semiconductor laser |
Kazuhisa Uomi, Misuzu Yoshizawa, Yuichi Ono, Takashi Kajimura |
1989-01-10 |