Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8511836 | Diaphragm apparatus for projectors | Shigemi Takahashi | 2013-08-20 |
| 7431517 | Focal plane shutter for cameras | Nobuyoshi Inoue | 2008-10-07 |
| 7178998 | Focal plane shutter for digital still cameras | Shigemi Takahashi | 2007-02-20 |
| 6726381 | Focal-plane shutter for cameras | Shigemi Takahashi | 2004-04-27 |