Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613496 | Method for forming a dampening-waterless lithographic plate and method for forming an image using a dampening-waterless lithographic plate | Toshifumi Inno, Masahiko Fukaya | 2003-09-02 |
| 5955238 | Waterless planographic printing plate and method of plate making using the same | Toshiaki Aoai, Kazuya Uenishi | 1999-09-21 |
| 5849464 | Method of making a waterless lithographic printing plate | Tsumoru Hirano, Toshifumi Inno | 1998-12-15 |
| 5840467 | Image recording materials | Katsuji Kitatani, Keitaro Aoshima, Yuichi Shiraishi, Kazuto Kunita | 1998-11-24 |
| 5741619 | Negative image-recording material comprising an acrylic resin, a diazo compound and carbon black | Keitaro Aoshima, Katsuji Kitatani, Yuichi Shiraishi | 1998-04-21 |
| 5721087 | Formation of lithographic printing plate requiring no fountain solution | Tsumoru Hirano, Norio Aoshima | 1998-02-24 |
| 5714303 | Image forming method using strippable layer and light-sensitive polymerizable layer containing silver halide | Koji Shirakawa | 1998-02-03 |
| 5612167 | Image forming method using strippable layer and light-sensitive polymerizable layer containing silver halide | Koji Shirakawa | 1997-03-18 |
| 5582942 | Printing plate for electrophotographic type plate making | Hiromichi Tachikawa | 1996-12-10 |
| 5554482 | Silver halide light-sensitive material containing base precursor and polyvinyl alcohol | Akihiro Endo | 1996-09-10 |
| 5426012 | Electrophotographic printing plate precursor | Hiromichi Tachikawa, Syu Watarai | 1995-06-20 |
| 5397676 | Image forming method including heat development while covering surface of light-sensitive material | Osami Tanabe | 1995-03-14 |
| 5328800 | Color image forming method using silver halide, reducing agent, polymerizable compound and colorant | Keiji Takeda, Osami Tanabe, Katsuji Kitatani | 1994-07-12 |
| 5326667 | Image forming method and light-sensitive material using silver halide, reducing agent and polymerizable compound | Keiji Takeda, Osami Tanabe, Katsuji Kitatani | 1994-07-05 |
| 5304454 | Image forming method using silver halide, reducing agent and polymerizable compound | Keiji Takeda, Osami Tanabe, Katsuji Kitatani | 1994-04-19 |
| 5208126 | Electrophotographic printing plate precursor and photosensitive lithographic printing plate precursor | Hiromichi Tachikawa, Yoshihiko Urabe | 1993-05-04 |
| 5102760 | Electrophotographic photoreceptor and electrophotographic printing plate precursor comprising phthalocyanine pigment and thiobarbituric acid derivative | Hiromichi Tachikawa, Syu Watarai, Syunichi Kondo, Seiji Horie | 1992-04-07 |
| 5079116 | Electrophotographic type printing plate precursor | Hiromich Tachikawa, Sadao Osawa | 1992-01-07 |
| 5069992 | Electrophotographic printing plate precursor containing alkali-soluble polyurethane resin as binder resin | Hiromichi Tachikawa, Syu Watarai, Toshiaki Aoai | 1991-12-03 |
| 5063129 | Electrophotographic printing plate precursor | Hiromichi Tachikawa, Syu Watarai | 1991-11-05 |
| 5051327 | Method for oil-densensitization treatment of lithographic printing plate | Sadao Osawa, Hiromichi Tachikawa | 1991-09-24 |
| 5035969 | Electrophotographic photoreceptor containing phthalocyanine | Syunichi Kondo, Seiji Horie | 1991-07-30 |
| 5015551 | Electrophotographic liquid developers containing positively charged resin particles | Hiromichi Tachikawa, Nobuo Suzuki, Syu Watarai | 1991-05-14 |
| 5006433 | Printing plate precursors for electrophotographic plate-making purposes | Hiromichi Tachikawa | 1991-04-09 |
| 4985323 | Electrophotographic printing plate | Hiromichi Tachikawa, Hideo Sato | 1991-01-15 |