Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863828 | Positive-working o-quinone diazide photoresist composition | Yasumasa Kawabe, Kazuya Uenishi | 1989-09-05 |
| 4842986 | Positively working resist material | Nobuaki Matsuda, Toshiaki Aoai, Akira Umehara, Yoshimasa Aotani | 1989-06-27 |
| 4657846 | Silver halide photographic printing paper | Tadashi Ikeda, Keiichi Adachi, Masaki Okazaki, Tetsuo Yoshida | 1987-04-14 |
| 4639416 | Internal latent image-type silver halide emulsion | Tetsuo Yoshida | 1987-01-27 |
| 4592991 | Silver halide photographic printing paper | Tetsuo Yoshida, Keiichi Adachi, Tadashi Ikeda, Hidetoshi Kobayashi | 1986-06-03 |
| 4551424 | Silver halide photographic light-sensitive material | Tadashi Ikeda, Kenichi Kuwabara, Kiyohiko Yamamuro | 1985-11-05 |
| 4546075 | Heat-developable photographic material | Hiroshi Kitaguchi, Isamu Itoh, Itsuo Fujiwara, Yasushi Nozawa | 1985-10-08 |
| 4452885 | Heat-developable photographic material | Yasushi Nozawa, Isamu Itoh, Hiroshi Kitaguchi | 1984-06-05 |