Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778486 | Laser module, optical head and optical information recording and reproducing apparatus | Kouji Arikawa, Susumu Tachibana, Kazuo Shigematsu, Hideo Taguchi, Shigeru Nakamura | 2004-08-17 |