Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839686 | Flash device | Hiroshi Hosomizu, Makoto Kamiya, Masatoshi Yoneyama, Kenzi Tuzi | 1989-06-13 |
| 4816854 | Close-range lighting flash device | Kenji Tsuji, Hiroshi Hosomizu | 1989-03-28 |