Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458194 | Azo dye compound having 1,2,4-triazole as the azo component | Hisashi Mikoshiba | 2002-10-01 |
| 6444020 | TETRAALKYL-SUBSTITUTED NITROGEN-CONTAINING HETERO RING-BONDED AZO DYE, INK-JET INK COMPRISING SAID DYE, INK-JET RECORDING METHOD USING SAID INK, AND THERMAL TRANSFER RECORDING MATERIAL COMPRISING SAID DYE | Nobuo Seto | 2002-09-03 |
| 6399712 | Polymer bound 2,2,6,6,-piperidinyl derivatives | Nobuo Seto | 2002-06-04 |
| 6232469 | 4-acylamino-2,2,6,6-tetramethylpiperidine derivatives and antioxidants containing the same | Nobuo Seto | 2001-05-15 |
| 6200370 | Jet printing ink and ink-jet recording method | Toshiki Fujiwara | 2001-03-13 |
| 6124084 | Silver halide photographic light-sensitive material | Keiichi Tateishi, Tetsu Kamosaki, Yasuhiro Ishiwata, Hideaki Naruse | 2000-09-26 |
| 6010819 | Method for improving light fastness of images, and image forming material | Hiroshi Arakatsu, Nobuo Seto, Yoshisada Nakamura, Hironori Hiyoshi, Hiroyuki Watanabe | 2000-01-04 |
| 5731140 | Pyrazolylazophenol dye | Nobuo Seto, Hironori Hiyoshi | 1998-03-24 |
| 5643709 | Thermal transfer recording material | Yasuhiro Ishiwata, Tomomi Tateishi | 1997-07-01 |
| 5449598 | Silver halide color photographic material | Naoki Saito, Seiji Ichijima, Masuji Motoki, Keiji Mihayashi | 1995-09-12 |
| 5338654 | Silver halide color photographic material | Naoki Saito, Seiji Ichijima, Keiji Mihayashi | 1994-08-16 |
| 5306609 | Silver halide color photographic material | Keiji Mihayashi | 1994-04-26 |
| 5302503 | Silver halide photographic light-sensitive material | Naoki Saito, Keiji Mihayashi | 1994-04-12 |
| 5266456 | Silver halide color photographic material having a high silver iodide content and containing a yellow colored cyan coupler | Keiji Mihayashi | 1993-11-30 |
| 5213958 | Silver halide color photographic material containing a photographic yellow dye forming coupler | Masuji Motoki, Seiji Ichijima, Naoki Saito, Keiji Mihayashi | 1993-05-25 |
| 5214141 | Azomethine compound and photographic dye comprising the azomethine compound | Masuji Motoki, Naoki Saito, Mitsugu Tanaka, Seiji Ichijima | 1993-05-25 |
| 5112730 | Silver halide color photographic material comprising a yellow-colored cyan coupler | Atsuhiro Ohkawa, Masuzi Motoki, Keiji Mihayashi | 1992-05-12 |
| 4910128 | Silver halide color photographic material | Katsuyoshi Yamakawa, Hidetoshi Kobayashi, Isamu Itoh | 1990-03-20 |
| 4774172 | Silver halide color photographic materials | Toshio Kawagishi, Keizo Kimura, Tadahisa Sato, Nobuo Furutachi | 1988-09-27 |
| 4587210 | Color photographic silver halide light-sensitive material consisting of a specified hydroquinone derivative | Michio Ono, Masakazu Morigaki, Kozo Aoki, Kazuhiko Furuya | 1986-05-06 |
| 4579813 | Silver halide color photographic materials | Kozo Aoki, Toshiyuki Watanabe | 1986-04-01 |
| 4547459 | Photographic silver halide materials containing a high speed coating aid | Kunihiko Ohga, Yasuo Mukunoki | 1985-10-15 |
| 4514490 | Color photographic light-sensitive material | Nobuo Seto, Kozo Aoki | 1985-04-30 |
| 4477558 | Silver halide color photographic light-sensitive material | Akira Ogawa, Kozo Aoki | 1984-10-16 |
| 4385111 | Color photographic sensitive materials | Kotaro Nakamura, Nobuo Furutachi | 1983-05-24 |