Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8064299 | Optical pick-up | Jun Hato, Akio Yabe, Daisuke Tomita | 2011-11-22 |
| 7990813 | Optical pickup device | Rika Nomura, Kazumi Takahashi, Seiichi Kato, Yasushi Kinoshita | 2011-08-02 |