Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985528 | Resources recovery method in a silver salt photographic system | Shinri Tanaka, Michiko Nagato, Hiroyuki Iizuka, Noritaka Nakayama, Naoshi Kunieda +1 more | 1999-11-16 |
| 5892033 | Metallic chelating dye | Akira Onishi, Tatsuo Tanaka, Yoriko Nakayama, Mari Honda, Norio Miura | 1999-04-06 |
| 5814580 | Thermal transfer recording material | Akira Onishi, Noriyasu Kita, Noritaka Nakayama, Tatsuo Tanaka | 1998-09-29 |
| 5753017 | Ink jet recording ink and recording method employing the same | Akira Onodera, Hidetaka Ninomiya, Hidenobu Ohya, Daisuke Ishibashi, Katsunori Katoh +2 more | 1998-05-19 |
| 5616446 | Silver halide photographic light-sensitive material | Norio Miura, Seiji Hidaka, Takeo Arai | 1997-04-01 |
| 5612282 | Dye and heat sensitive transfer material comprising the same | Katsunori Katoh, Tatsuo Tanaka | 1997-03-18 |
| 5512531 | Thermal transfer recording material and image forming method | Norio Miura | 1996-04-30 |
| 5476943 | Dye and heat sensitive transfer material comprising the same | Katsunori Katoh, Tatsuo Tanaka | 1995-12-19 |
| 5476755 | Image forming element and image forming method | Noritaka Nakayama, Norio Miura, Yoriko Nakayama, Toshihisa Takeyama | 1995-12-19 |
| 5432144 | Thermal-transfer recording material and a thermal-transfer recording process | Noritaka Nakayama, Katsunori Katoh, Norio Miura, Tatsuo Tanaka, Yoriko Nakayama | 1995-07-11 |
| 5415984 | Image forming element | Noritaka Nakayama, Toshihisa Takeyama, Norio Miura | 1995-05-16 |
| 5358922 | Thermal transfer image recording material and image using metal ion providing compound | Noritaka Nakayama, Katsunori Kato, Tatsuo Tanaka, Yoriko Nakayama | 1994-10-25 |
| 5346801 | Method of forming images | Hiroshi Watanabe, Tatsuichi Maehashi, Koichi Nakatani, Katsunori Kato | 1994-09-13 |
| 5302438 | Photographic-image-bearing recording member and method of its preparation | Takao Nimura, Taketo Nozu | 1994-04-12 |
| 5212146 | Heat-sensitive transfer recording material | Katsunori Katoh, Yoriko Ikehata | 1993-05-18 |
| 5116716 | Heat-developable color photographic material and image-forming process | Masaru Iwagaki, Hiroyuki Kaguchi | 1992-05-26 |
| 5084376 | Heat-developable color light-sensitive material | Yoshihiko Suda, Hidenobu Ohya, Kazuhiro Miyazawa, Norio Miura | 1992-01-28 |
| 5032499 | Thermal light-sensitive material with combination of fog restrainers | Junichi Kohno, Ken Okauchi | 1991-07-16 |
| 4987049 | Image-receiving element for heat transfer type dye image | Nobuyuki Takiyama, Katsunori Katoh | 1991-01-22 |
| 4983502 | Heat developing photosensitive material | Keiji Ohbayashi, Sohei Goto, Hidenobu Ohya | 1991-01-08 |
| 4968597 | Heat developable color light-sensitive material | Yoshihiko Suda, Hiroyuki Kaguchi | 1990-11-06 |
| 4950584 | Heat-processable color photosensitive material | Masaru Tsuchiya, Ken Okauchi | 1990-08-21 |
| 4948698 | Heat-processible color photographic material | — | 1990-08-14 |
| 4871647 | Method of forming color diffusion transfer image by heat development | Satoru Ikeuchi, Masaru Iwagaki, Takashi Sasaki, Wataru Ishikawa | 1989-10-03 |
| 4847188 | Thermally developable light-sensitive material | Hidenobu Ohya | 1989-07-11 |