Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8335136 | Optical pickup apparatus | Mitsuhiro Hiruma | 2012-12-18 |
| 8315140 | Optical pickup apparatus | Minoru Sato, Kiyotaka Eizumi | 2012-11-20 |
| 8310911 | Optical pickup apparatus | Mitsuhiro Hiruma | 2012-11-13 |