Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519501 | Semiconductor light detecting element with grooved substrate | Hitoshi Tada, Yasuo Nakajima | 2013-08-27 |
| 7826507 | Semiconductor laser device including highly reflective coating film | Harumi Nishiguchi, Hiromasu Matsuoka, Yasuyuki Nakagawa | 2010-11-02 |
| 7106775 | Semiconductor laser devices | Hiromasu Matsuoka, Harumi Nishiguchi, Tetsuya Yagi, Yasuyuki Nakagawa, Junichi Horie | 2006-09-12 |
| 7039085 | Semiconductor laser device | Hiromasu Matsuoka, Yasuyuki Nakagawa, Harumi Nishiguchi | 2006-05-02 |
| 5368992 | Method of producing diffraction grating | — | 1994-11-29 |