Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853322 | Light-sensitive silver halide emulsion and color photographic materials using the same | Katsumi Makino, Yuichi Ohashi, Yoichi Suga, Takekimi Shiozawa | 1989-08-01 |
| 4835095 | Photosensitive tabular core/shell silver halide emulsion | Yuichi Ohashi, Yoshihiko Shibahara, Katsumi Makino | 1989-05-30 |