Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8000189 | Optical pickup and optical disk device | Takashi Nakao, Fumiaki Nakano, Nobuhiko Ando, Hiroaki Nakagawa, Yutaka Tentaku | 2011-08-16 |
| 7889621 | Objective lens device, optical pickup device, optical-disc driving device and driving method of objective lens | Kenji Yamamoto, Takahiro Miyagi, Fumiaki Nakano | 2011-02-15 |