Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988614 | Silver halide color photographic light-sensitive material containing novel magenta couplers | Hidetaka Ninomiya, Toyoaki Masukawa, Junichi Kohno | 1991-01-29 |
| 4977073 | Silver halide light-sensitive color photographic material | Toyoaki Masukawa, Shuji Kida, Shigeto Hirabayashi | 1990-12-11 |