Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864123 | Apparatus for detecting the level of an object surface | Hideo Mizutani, Isao Sato | 1989-09-05 |
| 4619508 | Illumination optical arrangement | Makoto Uehara | 1986-10-28 |
| 4396254 | f.multidot..theta. Lens | — | 1983-08-02 |