Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614984 | Distance measuring device | Yoichi Seki, Michio Kawai, Akira Ito | 1997-03-25 |
| 5371691 | Device for correcting characteristic errors of a camera | Yoichi Seki, Michio Kawai, Hiroyuki Saito, Kanji Ito, Mitsuhiro Kakuta | 1994-12-06 |
| 5291237 | Flash synchronizing device | Shigeru Tagami, Teruyo Hayakawa, Hiroshi Yamazaki, Yuji Nakajima, Seiichi Imano | 1994-03-01 |
| 5258800 | Distance measuring device and camera having same | Yoichi Seki, Kazuo Akimoto | 1993-11-02 |