Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327210 | Light measurement device | Yoshihiro Okui, Kazuhiko Naruse, Taketoshi Kawamura, Shinji Shimizu, Mikio Uematsu +1 more | 1994-07-05 |
| 4389118 | Color meter | Yoshio Yuasa, Norio Ishikawa | 1983-06-21 |