Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7478017 | Method of designing optical system | Kazuhito Hayakawa, Shigeru Kato | 2009-01-13 |
| 6247855 | Lens protection cover-attached camera | Yuji Kobayashi, Naohiro Tsuchida, Takashi Muroi, Yuji Imai, Yasuo Asakura | 2001-06-19 |
| 6033130 | Lens cover and a lens cover support assembly mounted external to a lens barrel | Takashi Muroi, Yuji Kobayashi, Sumio Kawai, Yuji Imai, Yasuo Asakura +1 more | 2000-03-07 |
| 5727861 | Flash emitting apparatus | — | 1998-03-17 |