Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889796 | Silver halide photographic emulsion | Akihiko Ikegawa, Masaki Okazaki | 1989-12-26 |
| 4853322 | Light-sensitive silver halide emulsion and color photographic materials using the same | Katsumi Makino, Hiroshi Takehara, Yoichi Suga, Takekimi Shiozawa | 1989-08-01 |
| 4835095 | Photosensitive tabular core/shell silver halide emulsion | Yoshihiko Shibahara, Katsumi Makino, Hiroshi Takehara | 1989-05-30 |