| 4879725 |
Semiconductor laser device having extended facet life |
Hidenori Kawanishi, Masahiro Yamaguchi, Hiroshi Hayashi, Taiji Morimoto |
1989-11-07 |
| 4862472 |
Semiconductor laser device |
Haruhisa Takiguchi, Hiroaki Kudo, Chitose Sakane, Toshihiko Yoshida |
1989-08-29 |
| 4858215 |
Integrated optical disc pickup that allows variations in the wavelength of the laser beam |
Seiki Yano, Hiroaki Kudo, Haruhisa Takiguchi, Toshiki Hijikata |
1989-08-15 |
| 4853936 |
Index guided semiconductor laser device |
Sadayoshi Matsui, Taiji Morimoto, Masahiro Yamaguchi, Mototaka Taneya, Mitsuhiro Matsumoto |
1989-08-01 |
| 4852116 |
Semiconductor laser device |
Haruhisa Takiguchi, Hiroaki Kudo, Toshihiko Yoshida |
1989-07-25 |
| 4849985 |
Distributed feedback semiconductor laser device |
Toshihiko Yoshida, Haruhisa Takiguchi, Hiroaki Kudo |
1989-07-18 |
| 4841534 |
Buried type semiconductor laser device |
Toshihiko Yoshida, Haruhisa Takiguchi, Hiroaki Kudo, Sadayoshi Matsui |
1989-06-20 |
| 4839900 |
Buried type semiconductor laser device |
Toshihiko Yoshida, Haruhisa Takiguchi, Hiroaki Kudo, Sadayoshi Matsui |
1989-06-13 |
| 4820019 |
Optical device |
Toshihiko Yoshida, Haruhisa Takiguchi |
1989-04-11 |
| 4819240 |
Light modulator |
Haruhisa Takiguchi, Toshihiko Yoshida, Sadayoshi Matsui |
1989-04-04 |
| 4806454 |
Method for the formation of a diffraction grating |
Toshihiko Yoshida, Haruhisa Takiguchi, Sadayoshi Matsui |
1989-02-21 |
| 4805183 |
Distributed feedback semiconductor laser device |
Hiroaki Kudo, Haruhisa Takiguchi, Toshihiko Yoshida |
1989-02-14 |
| 4803690 |
Semiconductor laser |
Haruhisa Takiguchi, Toshihiko Yoshida, Sadayoshi Matsui |
1989-02-07 |
| 4799227 |
Semiconductor laser device having a buried heterostructure |
Haruhisa Takiguchi, Toshihiko Yoshida, Sadayoshi Matsui |
1989-01-17 |
