Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646927 | Packaged photographic film with a plurality of liquid crystal recording regions | Osamu Shimizu, Minoru Utsumi, Yuudai Yamashita, Hironori Kamiyama, Masato Okabe | 1997-07-08 |
| 5629920 | Photoelectric sensor, information recording system, and information recording method | Daigo Aoki, Minoru Utsumi, Masanori Akada, Osamu Shimizu | 1997-05-13 |