Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750255 | High strength rock wool and process for producing same | Shizuo Yoshida, Masakazu Tamura, Akira Okada, Atsushi Yamasawa | 1998-05-12 |
| 4990438 | Direct positive light-sensitive silver halide photographic material | Keiji Ogi, Tomomi Yoshizawa | 1991-02-05 |
| 4963466 | Silver halide photographic light-sensitive material suitable for rapid processes comprising hydroquinone and an antifoggant | Makoto Kajiwara, Masanobu Miyoshi, Kaoru Onodera | 1990-10-16 |
| 4912026 | Light-sensitive silver halide photographic material feasible for rapid processing comprising high boiling solvent and gold compounds | Masanobu Miyoshi, Makoto Kajiwara, Kaoru Onodera | 1990-03-27 |
| 4892807 | Silver halide photographic light-sensitive material excellent in treatment stability | Shigeto Hirabayashi, Hirokazu Sato | 1990-01-09 |
| 4871658 | Silver halide photographic material that is resistant to fogging during storage | Yutaka Kaneko, Hidetaka Ninomiya, Takashi Kamio, Atsuo Ezaki, Hideo Akamatsu +1 more | 1989-10-03 |
| 4868102 | Direct positive silver halide light-sensitive photographic material | Keiji Ogi, Atsushi Kamitakahara, Nariko Isozaki | 1989-09-19 |
| 4839263 | Method of forming dye image having superior rapid processing performance | Masanobu Miyoshi, Makoto Kajiwara, Kaoru Onodera | 1989-06-13 |
| 4784938 | Silver halide photographic light-sensitive material | Keiji Obhayashi, Shinichi Nakamura, Shigeo Tanaka, Mitsuhiro Okumura, Masanobu Miyoshi +2 more | 1988-11-15 |
| 4741990 | Method for processing silver halide photographic light-sensitive materials | Yutaka Kaneko | 1988-05-03 |
| 4725529 | Developing inhibitor arrangment in light-sensitive silver halide color photographic materials | Hiroshi Shimazaki, Satoshi Nakagawa, Hiroshi Inoie, Minoru Ishikawa | 1988-02-16 |
| 4564588 | Silver halide photographic material for radiography | Mikio Kawasaki, Kouji Ono, Tomomi Yoshizawa | 1986-01-14 |
| 4500631 | Radiographic image forming process | Mikio Kawasaki, Kouji Ono, Kakujulo Fukuoji, Noboru Fujimori | 1985-02-19 |
| 4400462 | Method for the formation of photographic images | Kouzi Ono, Mikio Kawasaki, Mariko Natori | 1983-08-23 |
| 4308057 | Steel making by converter | Shigeyuki Ono, Akichika Ozeki, Kiyomi Taguchi, Yoshio Miyashita | 1981-12-29 |
| 4299908 | Method for forming a negative image | Noboru Ito, Mikio Kawasaki, Takashi Uchida | 1981-11-10 |
| 4252893 | Light-sensitive silver halide photographic material | Masao Iwamuro, Kenichiro Okaniwa, Takashi Sasaki, Shizuo Saito | 1981-02-24 |
| 4242444 | Process for the preparation of light-sensitive silver halide photographic material | Teiji Habu, Masao Ishihara, Sadatugu Terada, Hiroshi Yamada | 1980-12-30 |
| 4192683 | Photographic light-sensitive material | Masao Ishihara, Kazuo Nakazato, Hiroshi Yamada, Sadatugu Terada, Kenichi Kitahara +3 more | 1980-03-11 |