Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228841 | Fuel switching for dual fuel engine | Nobuhide Seo, Kazuho Douzono, Takuji Kawada | 2007-06-12 |
| 7136727 | Method for controlling hybrid electric vehicle powertrain | Nobuhide Seo, Kazuho Douzono, Takuji Kawada | 2006-11-14 |
| 5763287 | Method of fabricating semiconductor optical device | Takushi Itagaki, Tohru Takiguchi, Yutaka Mihashi | 1998-06-09 |
| 5675602 | Optical integrated circuit device and driving method therefor | — | 1997-10-07 |
| 5659566 | Semiconductor laser module and method of assembling semiconductor laser module | — | 1997-08-19 |
| 5596592 | Semiconductor laser device | Yoriko Tanigami, Tomoko Kadowaki | 1997-01-21 |
| 5581570 | Semiconductor laser device | Yasuaki Yoshida | 1996-12-03 |
| 5519720 | Semiconductor light emitting device | Ryoichi Hirano, Etsuji Omura, Kimio Shigihara | 1996-05-21 |
| 5452315 | Semiconductor laser with semi-insulating current blocking layers | Tatsuya Kimura, Kisuke Matsumoto | 1995-09-19 |
| 5438208 | Mirror coupled monolithic laser diode and photodetector | — | 1995-08-01 |
| 5345464 | Semiconductor laser | — | 1994-09-06 |
| 5228048 | Semiconductor laser device | Etsuji Omura | 1993-07-13 |
| 5143864 | Method of producing a semiconductor laser | Hitoshi Watanabe, Masatoshi Fujiwara, Syoichi Kakimoto | 1992-09-01 |
| 5126804 | Light interactive heterojunction semiconductor device | Yutaka Nagai, Hitoshi Watanabe | 1992-06-30 |
| 5093835 | Semiconductor laser device | Hitoshi Watanabe, Masatoshi Fujiwara, Syoichi Kakimoto | 1992-03-03 |
| 4957879 | Method of making a semiconductor laser using superlattice disordering | Etsuji Omura, Katsuhiko Goto, Shogo Takahashi, Harumi Namba | 1990-09-18 |
| 4910745 | Semiconductor laser device | — | 1990-03-20 |
| 4888781 | Semiconductor laser | Etsuji Omura, Katsuhiko Goto, Shogo Takahashi, Harumi Namba | 1989-12-19 |
| 4849372 | Semiconductor laser device and a method of producing same | — | 1989-07-18 |
| 4607578 | Positioning mechanism | Hirochika Inoue, Ken-Ich Yoshida, Yasushi Kida | 1986-08-26 |
| 4507594 | DC servomotor position control | — | 1985-03-26 |