Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4255515 | Photographic films | Toshiaki Shibue, Koichi Nagayasu, Masao Ishihara, Naoto Abe | 1981-03-10 |
| 4229523 | Method of undercoating treatment of polyester films for photographic light-sensitive materials | Hideyasu Ohta, Jun Shirasaki, Masaru Kanbe, Naoto Abe, Takahiro Uozumi | 1980-10-21 |