Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772082 | Semiconductor laser array device | Sadayoshi Matsui, Mitsuhiro Matsumoto | 1988-09-20 |
| 4768201 | Semiconductor laser array | Sadayoshi Matsui, Seiki Yano, Saburo Yamamoto | 1988-08-30 |
| 4764936 | Semiconductor laser array device | Mitsuhiro Matsumoto, Hidenori Kawanishi, Sadayoshi Matsui | 1988-08-16 |
| 4764937 | Semiconductor laser array device | Mitsuhiro Matsumoto, Sadayoshi Matsui, Hidenori Kawanishi | 1988-08-16 |
| 4752932 | Branching optical waveguide for an index-guided semiconductor laser device | Mitsuhiro Matsumoto, Sadayoshi Matsui | 1988-06-21 |
| 4751709 | Semiconductor laser array device | Mitsuhiro Matsumoto, Sadayoshi Matsui | 1988-06-14 |
| 4747109 | Semiconductor laser array device | Mitsuhiro Matsumoto, Sadayoshi Matsui, Seiki Yano | 1988-05-24 |
| 4742526 | Semiconductor laser array device | Sadayoshi Matsui, Mitsuhiro Matsumoto | 1988-05-03 |
| 4730326 | Semiconductor laser array device | Sadayoshi Matsui, Mitsuhiro Matsumoto, Saburo Yamamoto, Seiki Yano | 1988-03-08 |
| 4716129 | Method for the production of semiconductor devices | Sadayoshi Matsui, Mitsuhiro Matsumoto | 1987-12-29 |
| 4694461 | Semiconductor laser array | Seiki Yano, Saburo Yamamoto, Sadayoshi Matsui | 1987-09-15 |
| 4679200 | Semiconductor laser | Sadayoshi Matsui, Haruhisa Takiguchi, Shinji Kaneiwa | 1987-07-07 |
| 4658403 | Optical element in semiconductor laser device having a diffraction grating and improved resonance characteristics | Haruhisa Takiguchi, Shinji Kaneiwa, Sadayoshi Matsui | 1987-04-14 |
| 4632709 | Process for preventing melt-back in the production of aluminum-containing laser devices | Sadayoshi Matsui, Mitsuhiro Matsumoto, Hiroshi Hayashi | 1986-12-30 |