Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871647 | Method of forming color diffusion transfer image by heat development | Satoru Ikeuchi, Masaru Iwagaki, Takashi Sasaki, Wataru Ishikawa | 1989-10-03 |
| 4847188 | Thermally developable light-sensitive material | Hidenobu Ohya | 1989-07-11 |
| 4840870 | Heat-transfer image-receiving element | Masaru Iwagaki, Toyoaki Masukawa, Wataru Ishikawa, Kimie Hoshino | 1989-06-20 |
| 4837141 | Thermally developable light-sensitive material containing a development restrainer compound | Junichi Kohno, Ken Okauchi, Sohei Goto, Masaru Iwagaki | 1989-06-06 |