Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081553 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-12-20 |
| 8045428 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-10-25 |
| 7957234 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-06-07 |
| 7952980 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-05-31 |
| 7898910 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-03-01 |
| 7898929 | Objective lens, and method of manufacturing the same and optical pickup apparatus | Ryoichi Kawasaki, Hiroyuki Ichikawa | 2011-03-01 |