Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158318 | Flare stoppper and taking lens unit | — | 2007-01-02 |
| 7054073 | Lens device | — | 2006-05-30 |
| 6556789 | Diaphragm switching apparatus | — | 2003-04-29 |
| 5285316 | Zoom lens | Hitoshi Miyano | 1994-02-08 |
| 5181144 | Initial focusing mechanism for zoom lens system | Kazunori Ohno | 1993-01-19 |
| 5130851 | Zoom lens device | — | 1992-07-14 |