Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066575 | Silver halide color photographic material containing pyrazolo (1,5-b)(1,2,4)triazole magenta coupler | Osamu Takahashi, Hideaki Naruse, Yuki Mizukawa | 1991-11-19 |
| 5026867 | Pyrazoloazoleazomethine dyes | Shigeki Yokoyama, Keizo Kimura, Nobuo Furutachi, Osamu Takahashi | 1991-06-25 |
| 4921968 | Pyrazoloazoleazomethine dyes | Shigeki Yokoyama, Keizo Kimura, Nobuo Furutachi, Osamu Takahashi | 1990-05-01 |
| 4865963 | Silver halide color photographic materials containing novel magenta coupler | Nobuo Furutachi, Seiki Sakanoue, Akio Mitsui, Minoru Sakai, Masakazu Morigaki +5 more | 1989-09-12 |
| H533 | Method of forming a color image | Keizo Kimura, Shigeki Yokoyama | 1988-10-04 |
| 4774166 | Method for the formation of color images using a color developer not substantially containing benzyl alcohol | Minoru Sasaki, Nobuo Furutachi, Takeshi Hirose | 1988-09-27 |
| 4774172 | Silver halide color photographic materials | Toshio Kawagishi, Takayoshi Kamio, Keizo Kimura, Nobuo Furutachi | 1988-09-27 |
| 4770987 | Silver halide color photographic materials containing an antisain agent and a magenta coupler in lipophilic fine particles | Osamu Takahashi, Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki | 1988-09-13 |
| 4721667 | Color light-sensitive material | Kozo Sato, Takeshi Shibata | 1988-01-26 |
| 4705863 | Process for producing pyrazolo[1,5-b][1,2,4]triazole derivatives | Toshio Kawagishi, Nobuo Furutachi | 1987-11-10 |
| 4621046 | Pyrazolo(1,5-B)-1,2,4-triazole derivatives | Toshio Kawagishi, Nobuo Furutachi | 1986-11-04 |
| H131 | Silver halide color photographic material | Nobuo Furutachi, Toshio Kawagishi, Kiyoshi Nakazyo | 1986-09-02 |
| 4607003 | Photographic element | Toshinao Ukai, Toshio Kawagishi, Haruo Takei | 1986-08-19 |
| 4540654 | Method of forming color image comprising heterocyclic magenta dye-forming coupler | Toshio Kawagishi, Nobuo Furutachi | 1985-09-10 |
| 4500630 | Method for forming magenta color image | Toshio Kawagishi, Nobuo Furutachi | 1985-02-19 |