Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849325 | Light-sensitive material package unit having exposure function | Keisuke Shiba | 1989-07-18 |
| 4827298 | Photographic light-sensitive material-packed unit having exposure function | Keisuke Shiba | 1989-05-02 |
| 4806459 | Color photographic material yellow and cyan dye forming couplers and compound which produces a diffusible development inhibitor or a precursor in a blue sensitive layer | Katsumi Makino, Koji Takahashi | 1989-02-21 |
| 4800362 | Organic solvent cleaning apparatus | Haruki Yamada, Yoshiaki Onchi, Kazuya Horio | 1989-01-24 |