Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345460 | Semiconductor laser device with window regions | Haruhisa Takiguchi, Seiki Yano, Kazuhiko Inoguchi, Hiroaki Kudo, Toshiyuki Okumura +1 more | 1994-09-06 |
| 5303255 | Distributed feedback semiconductor laser device and a method of producing the same | Hiroaki Kudo, Haruhisa Takiguchi, Kazuhiko Inoguchi, Satoshi Sugahara | 1994-04-12 |
| 5292685 | Method for producing a distributed feedback semiconductor laser device | Kazuhiko Inoguchi, Satoshi Sugahara, Mototaka Taneya, Hiroaki Kudo, Haruhisa Takiguchi | 1994-03-08 |
| 5070510 | Semiconductor laser device | Fumihiro Konushi, Hiroshi Nakatu, Kazuhiko Inoguchi, Toshiyuki Okumura, Akinori Seki +3 more | 1991-12-03 |