Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7826507 | Semiconductor laser device including highly reflective coating film | Harumi Nishiguchi, Yasuyuki Nakagawa, Yasuhiro Kunitsugu | 2010-11-02 |
| 7796664 | Semiconductor laser | Yasuyuki Nakagawa, Harumi Nishiguchi, Kyosuke Kuramoto, Masatsugu Kusunoki, Takeo Shirahama +1 more | 2010-09-14 |
| 7616673 | Semiconductor laser device | Yasuyuki Nakagawa, Toshihiko Shiga | 2009-11-10 |
| 7577173 | Semiconductor laser device having a low reflection film of stable reflectance | Kazushige Kawasaki, Yasuyuki Nakagawa | 2009-08-18 |
| 7106775 | Semiconductor laser devices | Yasuhiro Kunitsugu, Harumi Nishiguchi, Tetsuya Yagi, Yasuyuki Nakagawa, Junichi Horie | 2006-09-12 |
| 7039085 | Semiconductor laser device | Yasuhiro Kunitsugu, Yasuyuki Nakagawa, Harumi Nishiguchi | 2006-05-02 |
| 6907057 | Semiconductor optical device and semiconductor laser module using the semiconductor optical device | Kimio Shigihara, Kazushige Kawasaki | 2005-06-14 |