Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7801194 | Semiconductor laser device and optical disk unit using the same | Kei Yamamoto | 2010-09-21 |
| 7197056 | Semiconductor laser device and optical disc drive | Yoshie Fujishiro, Kei Yamamoto | 2007-03-27 |
| 6140142 | Semiconductor laser and a method for producing the same | Hiroaki Ikeda | 2000-10-31 |
| 6055255 | Semiconductor laser device and method for producing the same | Takahiro Suyama, Mitsuhiro Matsumoto | 2000-04-25 |
| 5956361 | Semiconductor laser and a method for producing the same | Hiroaki Ikeda | 1999-09-21 |
| 5592502 | Semiconductor laser element and method for adjusting self-induced oscillation intensity of the same | Mitsuhiro Matsumoto | 1997-01-07 |
| 5571750 | Method for producing a semiconductor laser device | Masanori Watanabe, Kazuaki Sasaki, Osumu Yamamoto, Mitsuhiro Matsumoto | 1996-11-05 |
| 5413956 | Method for producing a semiconductor laser device | Masanori Watanabe, Kazuaki Sasaki, Osamu Yamamoto, Mitsuhiro Matsumoto | 1995-05-09 |