Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009527 | Optical pickup device | Shinichi Hamaguchi, Yuzo Shimizu, Daisuke Furukawa, Toshihiro Kuroda, Toyonori Kusuhara +1 more | 2011-08-30 |
| 7978586 | Optical pickup device | Hiroaki Yamamoto, Naoki Nakanishi, Masahiko Nishimoto, Takuya Okuda | 2011-07-12 |
| 7969834 | Optical pickup device having a structure providing efficient light usage | Shinichi Hamaguchi, Naoki Nakanishi, Tatsuya Nakamori | 2011-06-28 |
| 7940631 | Optical pickup device | Hiroaki Yamamoto, Naoki Nakanishi, Masahiko Nishimoto, Takuya Okuda | 2011-05-10 |
| 7898927 | Optical pickup device | Takuya Okuda, Hiroaki Yamamoto, Naoki Nakanishi, Masahiko Nishimoto | 2011-03-01 |