Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7267933 | Image forming method using photothermographic material | Takayoshi Oyamada, Katsutoshi Yamane | 2007-09-11 |
| 5976758 | Development processing method | Kouta Fukui, Kohzaburoh Yamada | 1999-11-02 |
| 5888708 | Development processing method | Kouta Fukui | 1999-03-30 |
| 5374499 | Silver halide photographic material | Morio Yagihara | 1994-12-20 |
| 5298373 | Process and composition for fixing black-and-white silver halide photographic materials | Katsumi Hayashi, Kota Fukui, Tetsuro Kojima | 1994-03-29 |
| 5272046 | Processing method for a silver halide photographic material | — | 1993-12-21 |
| 5200298 | Method of forming images | Yoshihiro Takagi, Mitsunori Hirano | 1993-04-06 |
| 5185232 | Method of image formation | — | 1993-02-09 |
| 5051336 | Negative type silver halide photographic material and method for forming image using the same | Nobuaki Inoue, Tetsuo Yoshida | 1991-09-24 |
| 4997743 | Silver halide photographic material and method for forming image using the same | Nobuaki Inoue, Eiichi Okutsu | 1991-03-05 |
| 4996130 | Silver halide photographic material | Shuzo Suga, Masaki Satake | 1991-02-26 |
| 4957849 | Silver halide photographic material and image-forming method using the same | Nobuaki Inoue | 1990-09-18 |
| 4920034 | Silver halide photographic material and image forming method using the same | Nobuaki Inoue | 1990-04-24 |
| 4920029 | Silver halide photographic material and method for forming super high contrast negative images therewith | Nobuaki Inoue, Yoshio Inagaki, Tetsuro Kojima, Morio Yagihara | 1990-04-24 |
| 4873173 | Method of forming image providing a change in sensitivity by altering the pH of the developer | Tetsuo Yoshida, Nobuaki Inoue | 1989-10-10 |
| 4849319 | Silver halide photographic light-sensitive material and method of forming super-high contrast negative image using the photographic material | Nobuaki Inoue, Hiroshi Hayashi | 1989-07-18 |
| 4839259 | Silver halide photographic material and method for forming an image using the same | Nobuaki Inoue, Eiichi Okutsu | 1989-06-13 |
| 4824774 | Silver halide photographic material and method for forming an ultrahigh contrast negative image therewith | Nobuaki Inoue | 1989-04-25 |
| 4789618 | Silver halide photographic material and very high contrast negative image-forming process using same | Nobuaki Inoue, Toshiro Takahashi | 1988-12-06 |
| 4777113 | Silver halide photographic material containing a silica containing overlayer and specific hydrazine derivatives | Nobuaki Inoue, Tomoo Murakami | 1988-10-11 |
| 4761362 | Processing a photographic material comprising an emulsion layer providing a contrast gradation and another layer providing a soft tone gradation | Shigenori Moriuchi, Kimitaka Kameoka, Kazunobu Katoh, Yoshio Inagaki | 1988-08-02 |
| 4755449 | Silver halide photographic material and method for forming super high contrast negative images therewith | Nobuaki Inoue | 1988-07-05 |
| 4725532 | Silver halide photographic light-sensitive material and high contrast negative image forming process using them | Kimitaka Kameoka, Junji Miyata, Masaki Okazaki | 1988-02-16 |
| 4722884 | Silver halide photographic light-sensitive materials and method for formation of negative images of ultra-high contrast using said material | Nobuaki Inoue, Kenichi Kuwabara, Kimitaka Kameoka | 1988-02-02 |
| 4343873 | Photographic light-sensitive silver halide elements | — | 1982-08-10 |