Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8520707 | Optical pickup device | Masahito Ogata | 2013-08-27 |
| 5367530 | Semiconductor laser apparatus | Hirofumi Yoneyama, Yoshimasa Kishimoto | 1994-11-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8520707 | Optical pickup device | Masahito Ogata | 2013-08-27 |
| 5367530 | Semiconductor laser apparatus | Hirofumi Yoneyama, Yoshimasa Kishimoto | 1994-11-22 |