Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7556911 | Titanocene based compound, photosensitive composition, photosensitive transfer sheet and pattern forming method | — | 2009-07-07 |
| 6653000 | Magnetic recording medium comprising a specific azo dye | Noboru Jinbo, Akihiko Takeda, Tomohiro Kodama | 2003-11-25 |
| 6589445 | LIGHT-REACTION TYPE OPTICALLY ACTIVE COMPOUND, LIGHT-REACTION TYPE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, RECORDING MEDIUM, AND METHOD OF CHANGING TWIST STRUCTURE OF LIQUID CRYSTAL | Mitsuyoshi Ichihashi, Keiichiro Hayashi | 2003-07-08 |
| 5922122 | Pigment-dispersed composition | Akihiko Takeda | 1999-07-13 |
| 5827796 | Thermal recording material | Ken Iwakura, Masato Satomura, Akira Igarashi | 1998-10-27 |
| 5780203 | Process for forming colored partial picture element and light-shielding light-sensitive resin composition used therefor | Morimasa Sato, Masayuki Iwasaki | 1998-07-14 |
| 5750292 | Ultraviolet absorber precursor compound, photosensitive resin composition comprising the same and image forming process | Morimasa Sato | 1998-05-12 |
| 5693436 | Method for forming a color filter | Morimasa Sato | 1997-12-02 |
| 5563020 | Photosensitive transfer sheet | Mikio Totsuka | 1996-10-08 |
| 5489621 | Process for forming colored partial picture element and light-shielding light-sensitive resin composition used therefor | Morimasa Sato, Masayuki Iwasaki | 1996-02-06 |
| 5370965 | Positive-working light-sensitive composition containing diazonium salt and novolak resin | Shunichi Kondo, Mitsumasa Tsuchiya, Sadao Ishige, Toshifumi Inno, Yoshimasa Aotani | 1994-12-06 |
| 5338642 | Diazo type recording material comprising two couplers wherein the novel coupler used is a bis-malonamide | Toshiharu Tanaka, Sadao Ishige, Hirokazu Shimada | 1994-08-16 |
| 5296329 | Diazo heat-sensitive recording material | Akira Igarashi | 1994-03-22 |
| 5250384 | Light-sensitive heat-sensitive composition and recording material comprising same and image formation process using same | Jun Yamaguchi, Sadao Ishige | 1993-10-05 |
| 5213939 | Light- and heat-sensitive recording material | Sadao Ishige, Naoto Yanagihara, Hiroshi Kamikawa, Keiichi Tateishi | 1993-05-25 |
| 4975353 | Heat-sensitive recording materials | Katsuhiko Watanabe, Sadao Ishige, Hiroshi Kamikawa | 1990-12-04 |
| 4895826 | Heat-sensitive recording material with diazonium salt and coupler precursor with ester or urethane group | Katsuhiko Watanabe, Takayuki Hayashi, Hiroshi Kamikawa, Masato Satomura | 1990-01-23 |
| 4800193 | Recording material | Keiso Saeki, Masanobu Takashima, Ken Iwakura, Masato Satomura | 1989-01-24 |
| 4682193 | Recording materials | Ken Iwakura | 1987-07-21 |
| 4614955 | Heat sensitive recording paper | Hiroharu Matsukawa | 1986-09-30 |
| 4603339 | Recording material | Ken Iwakura | 1986-07-29 |
| 4583104 | Recording materials | Ken Iwakura, Masato Satomura | 1986-04-15 |
| 4471073 | Heat-sensitive recording materials | Kensuke Ikeda, Akira Igarashi, Hiroharu Matsukawa | 1984-09-11 |
| 4446209 | Heat-sensitive recording materials | Ken Iwakura | 1984-05-01 |
| 4401717 | Heat-sensitive recording material | Teppei Ikeda, Sadao Ishige, Nobuyoshi Sekikawa, Akira Igarashi | 1983-08-30 |