Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853302 | Battery compartment | Akira Yamanaka | 1989-08-01 |
| 4851868 | Flash device for use in photography | Nobuyuki Taniguchi, Hiroshi Hosomizu, Makoto Kamiya, Kenji Tsuji | 1989-07-25 |