Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671451 | Data-recording unit in use with a camera | Yoshiharu Takahashi, Minoru Yamada, Yasutoshi Fujii | 1997-09-23 |
| 5655165 | Photographic data recording camera | Yoshiharu Takahashi | 1997-08-05 |