Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611488 | Optical head, optical part, and optical memory apparatus having controlled optical intensity | Shinya Hasegawa | 2003-08-26 |
| 6563781 | Optical information storage device and optical head | Shinya Hasegawa, Nobuhide Aoyama | 2003-05-13 |
| 6552966 | Recording head for optical recording system | Shinya Hasegawa, Fumihiro Tawa, Nobuhide Aoyama | 2003-04-22 |