Issued Patents 1989
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890293 | Semiconductor laser device | Kosei Takahashi, Toshiro Hayakawa, Sadayoshi Matsui, Mitsuhiro Matsumoto, Hiroyuki Hosoba | 1989-12-26 |
| 4878223 | Semiconductor laser array device | Taiji Morimoto, Hiroyuki Hosoba, Mitsuhiro Matsumoto, Sadayoshi Matsui | 1989-10-31 |
| 4872174 | Semiconductor laser device having a grating structure | Sadayoshi Matsui, Mitsuhiro Matsumoto, Hiroyuki Hosoba, Haruhisa Takiguchi, Hiroaki Kudo | 1989-10-03 |
| 4870651 | Semiconductor light-emitting apparatus | Mitsuhiro Matsumoto, Sadayoshi Matsui | 1989-09-26 |
| 4856015 | Semiconductor laser array device | Sadayoshi Matsui, Mitsuhiro Matsumoto, Hiroyuki Hosoba | 1989-08-08 |
| 4853936 | Index guided semiconductor laser device | Sadayoshi Matsui, Shinji Kaneiwa, Taiji Morimoto, Masahiro Yamaguchi, Mitsuhiro Matsumoto | 1989-08-01 |
| 4847847 | Semiconductor laser array | Sadayoshi Matsui, Mitsuhiro Matsumoto | 1989-07-11 |
| 4823353 | Semiconductor laser array apparatus | Mitsuhiro Matsumoto, Sadayoshi Matsui | 1989-04-18 |
| 4819245 | Semiconductor laser device having substriped channels for forming an active layer which is thin in an inside portion | Taiji Morimoto, Hiroshi Hayashi, Saburo Yamamoto | 1989-04-04 |
| 4817104 | Semiconductor laser array device | Seiki Yano, Sadayoshi Matsui, Mitsuhiro Matsumoto | 1989-03-28 |
| 4815088 | Semiconductor laser array device | Mitsuhiro Matsumoto, Sadayoshi Matsui | 1989-03-21 |
| 4813051 | Semiconductor laser array device | Mitsuhiro Matsumoto, Hidenori Kawanishi, Sadayoshi Matsui | 1989-03-14 |
| 4811351 | Semiconductor laser array device | Sadayoshi Matsui, Mitsuhiro Matsumoto, Hidenori Kawanishi | 1989-03-07 |
| 4799225 | Semiconductor laser array device | Sadayoshi Matsui, Mitsuhiro Matsumoto | 1989-01-17 |