Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640622 | Electronic flash apparatus of a camera | Hideki Matsui, Ryotaro Takayanagi, Hiroshi Sakamoto | 1997-06-17 |
| 5630183 | Camera accessory mounting and fixing device | Hideki Matsui, Masakuni Ohta | 1997-05-13 |
| 5608476 | Flash bracket with grip | Hiroshi Sakamoto | 1997-03-04 |
| 5594314 | Secondary battery discharge adaptor | Hideki Matsui, Hiroshi Sakamoto, Ryotaro Takayanagi | 1997-01-14 |
| 5592257 | Electronic flash device with slave emission function | Hiroshi Sakamoto, Hideki Matsui | 1997-01-07 |