Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327210 | Light measurement device | Yoshihiro Okui, Kazuhiko Naruse, Shinji Shimizu, Mikio Uematsu, Hiroshi Furukawa +1 more | 1994-07-05 |
| 4975730 | Photographic enlarger | Kazuhiro Naruse | 1990-12-04 |