Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671456 | System for providing an accurate indication whether film is exposed or unexposed, independent of battery voltage | Kenji Tsuji, Satoshi Hamada | 1997-09-23 |
| 5666572 | Camera | Kenji Tsuji, Yasuaki Serita, Hiroyuki Okada | 1997-09-09 |