Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954427 | Process for the formation of direct positive images | Noriyuki Inoue, Tatsuo Heki, Shigeo Hirano | 1990-09-04 |
| 4952483 | Direct positive silver halide photosensitive material and method for forming direct positive image | Noriyuki Inoue, Morio Yagihara, Hisashi Okada, Tetunoti Matushita, Satoshi Nagaoka | 1990-08-28 |
| 4948711 | Method for processing silver halide photographic light-sensitive materials | Yoshihiro Fujita, Junichi Yamanouchi, Tomokazu Yasuda | 1990-08-14 |
| 4933265 | Process for forming direct positive color image | Noriyuki Inoue, Tatsuo Heki, Shinji Ueda | 1990-06-12 |
| 4920029 | Silver halide photographic material and method for forming super high contrast negative images therewith | Nobuaki Inoue, Senzo Sasaoka, Yoshio Inagaki, Morio Yagihara | 1990-04-24 |
| 4917995 | Silver halide photographic material | Tetsunori Matsushita, Ichizo Toya, Kazuhiko Takeuchi | 1990-04-17 |
| 4871653 | Process for forming direct-positive image | Noriyuki Inoue, Tatsuo Heki | 1989-10-03 |
| 4859579 | Silver halide photographic material | Shigeo Hirano, Mitsuru Yamamoto, Noriyuki Inoue, Tatsuo Heki | 1989-08-22 |
| 4791049 | Silver halide photographic material containing a compound having an oxidation-reduction moiety and timing group | Shigeo Hirano, Hideo Usui | 1988-12-13 |
| 4788132 | Silver halide color reversal photographic material | Naoyasu Deguchi, Hideo Miyazaki, Shigeru Ohno, Koki Nakamura | 1988-11-29 |
| 4772546 | Silver halide photographic material with high interimage effects | Naoyasu Deguchi, Hideo Miyazaki, Shigeru Ohno, Koki Nakamura | 1988-09-20 |
| 4770991 | Silver halide photographic light-sensitive materials | Shigeru Ohno, Morio Yagihara, Hideo Ikeda | 1988-09-13 |
| 4756995 | Direct reversal silver halide photographic light-sensitive material | Nobuaki Inoue, Tadashi Ikeda | 1988-07-12 |
| 4740454 | Silver halide photographic material | Naoyasu Deguchi, Hideo Miyazaki, Shigeru Ohno, Koki Nakamura | 1988-04-26 |
| 4696894 | Silver halide photographic materials containing 1,3,4-thiadiazole derivatives having a polar substituent | Naoyasu Deguchi, Shigeru Ohno, Koki Nakamura, Hideo Miyazaki | 1987-09-29 |
| 4675276 | Silver halide photographic material | Koki Nakamura, Takashi Toyoda, Hideo Ikeda | 1987-06-23 |
| 4645735 | Silver halide photographic light-sensitive material containing ultraviolet ray absorbing polymer latex | Naohiko Sugimoto, Shingo Ishimaru | 1987-02-24 |
| 4615970 | Silver halide photographic material | Koki Nakamura, Takashi Toyoda | 1986-10-07 |
| 4551420 | Silver halide photographic light-sensitive material | Naohiko Sugimoto | 1985-11-05 |
| 4528264 | Silver halide photographic light-sensitive materials | Shoji Ishiguro, Hiroyuki Mifune, Yoshiharu Fuseya | 1985-07-09 |
| 4485169 | Silver halide photographic light-sensitive materials | Shoji Ishiguro, Akio Mitsui | 1984-11-27 |
| 4464462 | Silver halide photographic light-sensitive material | Naohiko Sugimoto, Yasuo Mukunoki | 1984-08-07 |
| 4464463 | Silver halide color photographic light-sensitive material | Hidetoshi Kobayashi | 1984-08-07 |
| 4455368 | Silver halide photographic light-sensitive material containing a UV absorbing polymer latex | Shingo Ishimaru, Naohiko Sugimoto, Tadashi Ikeda | 1984-06-19 |
| 4443534 | Silver halide photographic elements containing polymers which filter UV light | Shingo Ishimaru, Naohiko Sugimoto, Tadashi Ikeda | 1984-04-17 |