Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115175 | UV image forming optical system | Koichi Maruyama, Makoto Iwaki, Shigeo Kubota, Hiroshi Suganuma, Minoru Takeda | 2000-09-05 |
| 5471456 | Optical medium recording apparatus with a rotatable optical beam deflector | Haruki Tokumaru, Koichi Maruyama | 1995-11-28 |