Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947228 | Objective lens driving device, optical pickup device, and optical information recording and/or reproduction device | — | 2005-09-20 |
| 6859325 | Objective lens device, optical pickup device, and optical information recording and/or reproduction device | Tetsu Tanaka, Takeshi Kubo, Junichi Suzuki | 2005-02-22 |