Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7065116 | Semiconductor laser element and manufacturing method for the same | Masayuki Ohta, Takahiro Hashimoto, Yoshinori Ohitsu, Hiroyuki Tsujii, Satofumi Kinei +1 more | 2006-06-20 |
| 6001665 | Method for producing semiconductor laser device with high growth rate for capping layer | Takashi Ishizumi | 1999-12-14 |
| 5730802 | Vapor growth apparatus and vapor growth method capable of growing good productivity | Takashi Ishizumi | 1998-03-24 |
| 5271028 | Semiconductor laser device | Masafumi Kondo, Takahiro Suyama, Toshio Hata, Hiroyuki Hosoba, Sadayoshi Matsui | 1993-12-14 |
| 5260231 | Method for the production of a semiconductor laser | Hidenori Kawanishi, Taiji Morimoto, Hiroshi Hayashi, Nobuyuki Miyauchi, Seiki Yano +5 more | 1993-11-09 |
| 5208468 | Semiconductor laser device with a sulfur-containing film provided between the facet and the protective film | Hidenori Kawanishi, Taiji Morimoto, Hiroshi Hayashi, Nobuyuki Miyauchi, Seiki Yano +5 more | 1993-05-04 |
| 5022037 | Semiconductor laser device | Hidenori Kawanishi, Hiroshi Hayashi, Taiji Morimoto, Nobuyuki Miyauchi, Seiki Yano | 1991-06-04 |
| 4997747 | Method for the formation of a diffraction grating | Toshihiko Yoshida, Haruhisa Takiguchi, Sadayoshi Matsui | 1991-03-05 |
| 4951290 | Semiconductor laser device | Taiji Morimoto, Masahiro Yamaguchi, Hiroshi Hayashi, Hidenori Kawanishi | 1990-08-21 |
| 4941148 | Semiconductor laser element with a single longitudinal oscillation mode | Toshihiko Yoshida, Haruhisa Takiguchi, Hiroaki Kudo | 1990-07-10 |
| 4926431 | Semiconductor laser device which is stable for a long period of time | Hidenori Kawanishi, Hiroshi Hayashi, Taiji Morimoto, Masahiro Yamaguchi | 1990-05-15 |
| 4910744 | Buried heterostructure semiconductor laser device | Toshihiko Yoshida, Haruhisa Takiguchi, Hiroaki Kudo | 1990-03-20 |
| 4908830 | Buried type semiconductor laser device | Toshihiko Yoshida, Haruhisa Takiguchi, Hiroaki Kudo, Sadayoshi Matsui | 1990-03-13 |
| 4908831 | Buried type semiconductor laser device | Toshihiko Yoshida, Haruhisa Takiguchi, Hiroaki Kudo, Sadayoshi Matsui | 1990-03-13 |
| 4901328 | Semiconductor VSIS laser | Sadayoshi Matsui, Haruhisa Takiguchi, Mototaka Taneya | 1990-02-13 |
| 4891816 | Integrated semiconductor laser device | Toshihiko Yoshida, Taiji Morimoto, Masahiro Yamaguchi | 1990-01-02 |
| 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 |