Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7965609 | Optical pickup device and optical recording medium information reproduction device | — | 2011-06-21 |
| 7149174 | Optical pickup | Tomotaka Nishimura, Hirokatsu Nagatake, Akira Miura | 2006-12-12 |
| 6845078 | Optical pickup apparatus | Masayuki Koyama, Tomotaka Nishimura | 2005-01-18 |
| 6813235 | Optical pickup apparatus an optical axis correcting element | Tomotaka Nishimura, Nobuo Ishida, Taichi Akiba | 2004-11-02 |
| 6643246 | Optical pickup apparatus | Tomotaka Nishimura | 2003-11-04 |
| 5805557 | Optical pickup | Aki Terajima, Shigeru Takaya, Masufumi Asada | 1998-09-08 |
| 5473586 | Optical pickup for an optical disc | — | 1995-12-05 |