Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9481658 | Optical film, retardation plate, elliptica polarizing plate, liquid crystal display device and compound | Ryo Hamasaki, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masaaki Tsukase | 2016-11-01 |
| 8981108 | Optical film, retardation plate, elliptica polarizing plate, liquid crystal display device and compound | Ryo Hamasaki, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masaaki Tsukase | 2015-03-17 |
| 8524334 | Optical film, retardation plate, elliptica polarizing plate, liquid crystal display device and compound | Ryo Hamasaki, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masaaki Tsukase | 2013-09-03 |
| 8039532 | Heterocyclic compound, ultraviolet absorbent and composition containing the same | Naoyuki Hanaki, Toshihiko YAWATA | 2011-10-18 |
| 8029951 | Colored curable composition, color filter and production method thereof | Yuki Mizukawa, Toru Fujimori, Hideki Takakuwa | 2011-10-04 |
| 7244859 | Method for producing δ-aminopentadienoate derivatives | Akihiko Ikegawa, Katsuyoshi Yamakawa | 2007-07-17 |
| 6903198 | Compound, dye, ink and ink-jet recording method | Hisashi Mikoshiba, Tadashi Omatsu, Makoto Suzuki, Koushin Matsuoka | 2005-06-07 |
| 6756488 | compound, dye, ink and ink-jet recording method | Hisashi Mikoshiba, Tadashi Omatsu, Makoto Suzuki, Koushin Matsuoka | 2004-06-29 |
| 6548649 | Compound, dye, ink and ink-jet recording method | Hisashi Mikoshiba, Tadashi Omatsu, Makoto Suzuki, Koushin Matsuoka | 2003-04-15 |
| 6476221 | Tribenzazepine compound and production method thereof | Tadahisa Sato | 2002-11-05 |
| 6383276 | Azomethine compound and oily magenta ink | Katsuyoshi Yamakawa, Naoki Asanuma, Ryo Suzuki, Tadahisa Sato, Hisashi Mikoshiba | 2002-05-07 |
| 6031130 | Method for preparing N,N-disubstituted hydroxylamines | Tadahisa Sato | 2000-02-29 |
| 5858635 | Silver halide color photographic material | Takeshi Nakamine, Toshio Kawagishi, Naoto Matsuda | 1999-01-12 |
| 5656418 | Silver halide color photographic material | Takeshi Nakamine, Toshio Kawagishi, Naoto Matsuda | 1997-08-12 |
| 5605788 | Silver halide color photographic material | Toshio Kawagishi, Takeshi Nakamine | 1997-02-25 |
| 5532377 | Photographic coupler and silver halide color photographic material | Yuki Mizukawa, Tadahisa Sato, Osamu Takahashi | 1996-07-02 |
| 5476759 | Silver halide color photographic material | Keiji Mihayashi, Seiji Ichijima, Toshio Kawagishi, Naoki Saito | 1995-12-19 |
| 5451501 | Photographic coupler and silver halide color photographic material | Yuki Mizukawa, Tadahisa Sato, Osamu Takahashi | 1995-09-19 |
| 5449598 | Silver halide color photographic material | Naoki Saito, Seiji Ichijima, Takayoshi Kamio, Keiji Mihayashi | 1995-09-12 |
| 5447833 | Silver halide photographic material and imidazole derivatives | Atsuhiro Ohkawa, Keiji Mihayashi | 1995-09-05 |
| 5360709 | Silver halide photographic material containing a DIR compound | Atsuhiro Ohkawa, Keiji Mihayashi | 1994-11-01 |
| 5350666 | Silver halide photographic materials | Atsuhiro Ohkawa, Keiji Mihayashi | 1994-09-27 |
| 5312726 | Silver halide color photographic material | Keiji Mihayashi, Seiji Ichijima, Toshio Kawagishi, Naoki Saito | 1994-05-17 |
| 5286620 | Silver halide color photographic material | Atsuhiro Ohkawa, Keiji Mihayashi | 1994-02-15 |
| 5213958 | Silver halide color photographic material containing a photographic yellow dye forming coupler | Seiji Ichijima, Naoki Saito, Takayoshi Kamio, Keiji Mihayashi | 1993-05-25 |