Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750183 | Semiconductor laser device | Kohsei Takahashi, Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1988-06-07 |
| 4746181 | Optical semiconductor device | Toshiro Hayakawa, Takahiro Suyama | 1988-05-24 |
| 4745612 | Separate confinement heterostructure semiconductor laser device | Toshiro Hayakawa, Takahiro Suyama, Kohsei Takahashi, Masafumi Kondo | 1988-05-17 |
| 4737962 | Compound resonator type semiconductor laser device | Hiroshi Hayashi, Nobuyuki Miyauchi, Shigeki Maei, Taiji Morimoto | 1988-04-12 |
| 4737959 | Semiconductor laser array device | Takahiro Suyama, Toshiro Hayakawa, Kohsei Takahashi | 1988-04-12 |
| 4730328 | Window structure semiconductor laser | Nobuyuki Miyauchi, Shigeki Maei, Osamu Yamamoto, Taiji Morimoto, Hiroshi Hayashi | 1988-03-08 |
| 4730326 | Semiconductor laser array device | Mototaka Taneya, Sadayoshi Matsui, Mitsuhiro Matsumoto, Seiki Yano | 1988-03-08 |
| 4723253 | Semiconductor laser array | Toshiro Hayakawa, Takahiro Suyama | 1988-02-02 |
| 4720834 | Internal-reflection-interference semiconductor laser device | Osamu Yamamoto, Hiroshi Hayashi, Taiji Morimoto | 1988-01-19 |
| 4720833 | Semiconductor laser apparatus | Takahiro Suyama, Toshiro Hayakawa, Kohsei Takahashi | 1988-01-19 |
| 4712219 | Visible double heterostructure-semiconductor laser | Seiki Yano, Haruhisa Takiguchi, Shinji Kaneiwa | 1987-12-08 |
| 4694460 | Stripe geometry semiconductor laser device | Toshiro Hayakawa, Takahiro Suyama | 1987-09-15 |
| 4694461 | Semiconductor laser array | Seiki Yano, Sadayoshi Matsui, Mototaka Taneya | 1987-09-15 |
| 4693207 | Apparatus for the growth of semiconductor crystals | Toshiro Hayakawa, Takahiro Suyama, Kohsei Takahashi | 1987-09-15 |
| 4691214 | Optical semiconductor apparatus | Toshiro Hayakawa, Takahiro Suyama | 1987-09-01 |
| 4686679 | Window VSIS semiconductor laser | Seiki Yano, Hiroshi Hayashi, Taiji Morimoto | 1987-08-11 |
| 4677633 | Semiconductor laser with a two-striped channel | Hiroshi Hayashi, Taiji Morimoto, Seiki Yano | 1987-06-30 |
| 4592062 | (VSIS) semiconductor laser with reduced compressive stress | Hiroshi Hayashi, Seiki Yano | 1986-05-27 |
| 4567060 | Method of producing a semiconductor laser device | Toshiro Hayakawa, Takahiro Suyama | 1986-01-28 |
| 4546481 | Window structure semiconductor laser | Hiroshi Hayashi, Seiki Yano | 1985-10-08 |
| 4331617 | Carburetor | Kazufuto Tamaki, Tadayoshi Iwazaki, Shigeo Takayanagi | 1982-05-25 |