Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969854 | Optical pickup device and objective lens used in the same | Kohei Ota, Yuichi Atarashi | 2011-06-28 |
| 7957231 | Optical pickup apparatus and objective optical element | Tohru Kimura, Yuichi Atarashi, Kenji Ogiwara, Eiji Nomura | 2011-06-07 |
| 7903528 | Optical pick-up apparatus | Tohru Kimura, Kohei Ota | 2011-03-08 |
| 7889618 | Objective optical element and optical pickup apparatus | Tohru Kimura, Yuichi Atarashi, Kenji Ogiwara, Eiji Nomura | 2011-02-15 |