Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557116 | Semiconductor laser device and resin layer | Katsushige Masui, Zenpei Tani, Hiroshi Chikugawa, Makoto Tsuji, Masaru Ogawa +1 more | 1996-09-17 |
| 5260231 | Method for the production of a semiconductor laser | Hidenori Kawanishi, Taiji Morimoto, Shinji Kaneiwa, Hiroshi Hayashi, Seiki Yano +5 more | 1993-11-09 |
| 5220571 | Semiconductor laser device | — | 1993-06-15 |
| 5208468 | Semiconductor laser device with a sulfur-containing film provided between the facet and the protective film | Hidenori Kawanishi, Taiji Morimoto, Shinji Kaneiwa, Hiroshi Hayashi, Seiki Yano +5 more | 1993-05-04 |
| 5022037 | Semiconductor laser device | Hidenori Kawanishi, Hiroshi Hayashi, Taiji Morimoto, Shinji Kaneiwa, Seiki Yano | 1991-06-04 |
| 4951291 | Semiconductor laser device with a protective film on the facets | Hiroshi Hayashi, Saburo Yamamoto | 1990-08-21 |
| 4911512 | Waveguide type optical head | Osamu Yamamoto, Hiroshi Hayashi, Shigeki Maei, Hidenori Kawanishi | 1990-03-27 |
| 4864585 | External cavity type semiconductor laser apparatus | Hiroshi Hayashi, Shigeki Maei, Osamu Yamamoto, Hidenori Kawanishi | 1989-09-05 |
| 4860305 | External cavity type semiconductor laser apparatus | Hidenori Kawanishi, Shigeki Maei, Osamu Yamamoto, Hiroshi Hayashi | 1989-08-22 |
| 4829531 | External resonator type semiconductor laser | Hidenori Kawanishi, Osamu Yamamoto, Shigeki Maei, Hiroshi Hayashi | 1989-05-09 |
| 4815089 | Semiconductor laser | Shigeki Maei, Osamu Yamamoto, Taiji Morimoto, Hiroshi Hayashi, Saburo Yamamoto | 1989-03-21 |
| 4811350 | Semiconductor laser apparatus | Osamu Yamamoto, Shigeki Maei, Hiroshi Hayashi, Hidenori Kawanishi | 1989-03-07 |
| 4806778 | Micro-displacement measuring apparatus using a semiconductor laser | Osamu Yamamoto, Hiroshi Hayashi, Sadayoshi Matsui, Haruhisa Takiguchi | 1989-02-21 |
| 4792962 | A ring-shaped resonator type semiconductor laser device | Hiroshi Hayashi, Osamu Yamamoto, Saburo Yamamoto | 1988-12-20 |
| 4791636 | Semiconductor laser device and a method for driving the same | Saburo Yamamoto, Osamu Yamamoto, Taiji Morimoto, Hiroshi Hayashi, Shigeki Maei | 1988-12-13 |
| 4737962 | Compound resonator type semiconductor laser device | Saburo Yamamoto, Hiroshi Hayashi, Shigeki Maei, Taiji Morimoto | 1988-04-12 |
| 4730328 | Window structure semiconductor laser | Shigeki Maei, Osamu Yamamoto, Taiji Morimoto, Hiroshi Hayashi, Saburo Yamamoto | 1988-03-08 |
| 4655597 | Micro-displacement measuring apparatus using a semiconductor laser | Osamu Yamamoto, Sadayoshi Matsui, Haruhisa Takiguchi, Hiroshi Hayashi | 1987-04-07 |
| 4637029 | Semiconductor laser | Toshiro Hayakawa, Seiki Yano, Takahiro Suyama | 1987-01-13 |
| 4592060 | Semiconductor laser with active layer having reduced stress | Toshiro Hayakawa, Seiki Yano | 1986-05-27 |
| 4569721 | Method for the production of semiconductor lasers | Toshiro Hayakawa, Seiki Yano, Takahiro Suyama | 1986-02-11 |
| 4545057 | Window structure of a semiconductor laser | Toshiro Hayakawa, Takahiro Suyama, Seiki Yano | 1985-10-01 |