Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971445 | Fine surface profile measuring apparatus | Eiichi Sato, Kiyozo Koshiishi, Sadao Shigetomi, Syunpei Tanaka, Makoto Yoshinaga +6 more | 1990-11-20 |
| 4508443 | Lens barrel | Minoru Matsuzaki, Akihiko Hachimoto, Takashi Inoue, Hitoshi Shirai, Akira Watanabe | 1985-04-02 |