Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7898929 | Objective lens, and method of manufacturing the same and optical pickup apparatus | Tohru Hotta, Ryoichi Kawasaki | 2011-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7898929 | Objective lens, and method of manufacturing the same and optical pickup apparatus | Tohru Hotta, Ryoichi Kawasaki | 2011-03-01 |