Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876170 | Light-sensitive material comprising light-sensitive layer containing microcapsules provided on specific paper support | Shigehisa Tamagawa, Masayuki Kuroishi | 1989-10-24 |
| 4859577 | Photographic support | Shigehisa Tamagawa | 1989-08-22 |
| 4851327 | Photographic color photosensitive material with two layer reflective support | Masaru Sano, Seiichi Taguchi, Keisuke Shiba, Tadashi Ogawa | 1989-07-25 |
| 4830928 | Support for photographic paper | Shigehisa Tamagawa | 1989-05-16 |
| 4803191 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1989-02-07 |
| 4800192 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1989-01-24 |