Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868088 | Photographic element with back layer containing matting agents | Toshiaki Aono, Kazuma Takeno | 1989-09-19 |
| 4857443 | Photographic element with benzoguanamine-formaldehyde polymer particles | Toshiaki Aono, Kazuma Takeno | 1989-08-15 |
| 4837142 | Color light-sensitive material | Kozo Sato, Masashi Takeuchi | 1989-06-06 |
| 4830957 | Color light-sensitive material | Kozo Sato, Masashi Takeuchi | 1989-05-16 |