Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887120 | Electronic flash photographing system | Akira Ueno | 1989-12-12 |
| 4871693 | Porous cordierite ceramics | Senya Inoue, Akira Ono, Hiroshi Yokoo | 1989-10-03 |
| 4835558 | Position control device for use in a camera | Kunihiko Araki, Hiroshi Terui, Tohru Nishida | 1989-05-30 |