Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8087038 | Optical pickup having thermal expansion compensation | Seiichi Katou, Katsuhiko Kimura, Seiji Ono, Naomitsu Kuroda, Hidenao Saito | 2011-12-27 |
| 7995450 | Optical element feeding device and optical pickup unit using the same | Seiji Ono, Naomitsu Kuroda, Eiji Okubo | 2011-08-09 |
| 7990813 | Optical pickup device | Rika Nomura, Kazumi Takahashi, Seiichi Kato, Kazuhiro Todori | 2011-08-02 |