Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839686 | Flash device | Hiroshi Hosomizu, Tsutomu Ichikawa, Masatoshi Yoneyama, Kenzi Tuzi | 1989-06-13 |
| 4743929 | Flash device for use in photography | Nobuyuki Taniguchi, Keiji Yamazaki, Hiroshi Hosomizu, Kenji Tsuji | 1988-05-10 |
| 4712902 | Device for indicating an object distance for flash photography | Hiroshi Hosomizu, Kenji Tsuji | 1987-12-15 |