Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459601 | Optical scanner for reducing shading | Kenichi Takanashi, Hiromichi Atsuumi | 1995-10-17 |
| 5355244 | Optical scanner for reducing shading | Kenichi Takanashi, Hiromichi Atsuumi | 1994-10-11 |
| 4995710 | Objective lens for optical disk | Osamu Endou | 1991-02-26 |
| 4953171 | Semiconductor laser source unit | Tomohiro Nakajima, Kazuyuki Shimada, Nobuo Sakuma, Katsumi Yamaguchi | 1990-08-28 |