Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853322 | Light-sensitive silver halide emulsion and color photographic materials using the same | Yuichi Ohashi, Hiroshi Takehara, Yoichi Suga, Takekimi Shiozawa | 1989-08-01 |
| 4835095 | Photosensitive tabular core/shell silver halide emulsion | Yuichi Ohashi, Yoshihiko Shibahara, Hiroshi Takehara | 1989-05-30 |
| 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 | Noboru Sasaki, Koji Takahashi | 1989-02-21 |