Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840878 | Method of color image formation using a high chloride emulsion and a developer free of benzyl alcohol | Takeshi Hirose, Nobuo Furutachi, Kozo Aoki, Kiyoshi Nakazyo | 1989-06-20 |
| 4830948 | Method of forming color images | Takatoshi Ishikawa, Takeshi Hirose | 1989-05-16 |