Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072867 | Optical pickup | Takahiro Kaneko | 2011-12-06 |
| 7859976 | Optical pickup device | Takahiro Kaneko, Minoru Ohyama | 2010-12-28 |
| 7050207 | Optical pickup device using hologram pattern and hologram pattern generating method | Hiroshi Miyazawa, Tohru Sinzou | 2006-05-23 |
| 5963527 | Optical disk recording and reproducing apparatus | — | 1999-10-05 |
| 5768240 | Optical disk recording/reproducing apparatus | — | 1998-06-16 |
| 5719849 | Optical disk holding apparatus | — | 1998-02-17 |