Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704022 | Video finder for single-lens reflex camera | Toshiro Hara, Masahiro Juen | 1987-11-03 |
| 4423470 | Lens barrel suitable for flash photography | Hideshi Naito, Kazuyuki Kazami | 1983-12-27 |
| 4383743 | Water-proof camera | Toshio Dobashi | 1983-05-17 |
| 4373792 | Flashlight photographing device | Hideshi Naito, Kazuyuki Kazami | 1983-02-15 |
| 4334746 | Photographic lens barrel | Hideshi Naito | 1982-06-15 |
| 4334737 | Zoom lens capable of macro-photography | Tsutomu Mitsuishi | 1982-06-15 |
| 4332444 | Photographic lens capable of photographing the magnifications | Hideshi Naito | 1982-06-01 |
| 4298262 | Aperture device of a lens capable of close proximity flash photography | Hideshi Naito | 1981-11-03 |