Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8711301 | Cellulose acylate laminate film, method for producing cellulose acylate laminate film, polarizer and liquid crystal display device | Akira Ikeda, Jun Takeda, Shinya Watanabe | 2014-04-29 |
| 8502937 | Protective film for polarizers | Jun Takeda, Masaya Suzuki, Mamoru Sakurazawa | 2013-08-06 |
| 6632589 | Lithographic printing process | Toshifumi Inno, Keiji Akiyama | 2003-10-14 |
| 6500599 | Lithographic printing plate precursor and plate-making method of lithographic printing plate using the same | Toshifumi Inno | 2002-12-31 |
| 5618645 | Electrophotographic printing plate precursor | Junji Nakano, Nobuo Suganuma | 1997-04-08 |
| 5582942 | Printing plate for electrophotographic type plate making | Hiroaki Yokoya | 1996-12-10 |
| 5426012 | Electrophotographic printing plate precursor | Hiroaki Yokoya, Syu Watarai | 1995-06-20 |
| 5368964 | Process for the production of a lithographic printing plate with beveled end parts | Keiichi Adachi | 1994-11-29 |
| 5254425 | Self-dispersing colorant, liquid developing agent for electrostatic photography, toner supply and toner kit | Nobuo Suzuki, Yutaka Sakasai | 1993-10-19 |
| 5219687 | Electrophotographic lithographic printing plate precursor and edge face treatment | Nobuo Suzuki, Junji Nakano, Yutaka Sakasai | 1993-06-15 |
| 5208126 | Electrophotographic printing plate precursor and photosensitive lithographic printing plate precursor | Hiroaki Yokoya, Yoshihiko Urabe | 1993-05-04 |
| 5102760 | Electrophotographic photoreceptor and electrophotographic printing plate precursor comprising phthalocyanine pigment and thiobarbituric acid derivative | Hiroaki Yokoya, Syu Watarai, Syunichi Kondo, Seiji Horie | 1992-04-07 |
| 5069992 | Electrophotographic printing plate precursor containing alkali-soluble polyurethane resin as binder resin | Hiroaki Yokoya, Syu Watarai, Toshiaki Aoai | 1991-12-03 |
| 5063129 | Electrophotographic printing plate precursor | Hiroaki Yokoya, Syu Watarai | 1991-11-05 |
| 5051327 | Method for oil-densensitization treatment of lithographic printing plate | Sadao Osawa, Hiroaki Yokoya | 1991-09-24 |
| 5015551 | Electrophotographic liquid developers containing positively charged resin particles | Hiroaki Yokoya, Nobuo Suzuki, Syu Watarai | 1991-05-14 |
| 5006433 | Printing plate precursors for electrophotographic plate-making purposes | Hiroaki Yokoya | 1991-04-09 |
| 4985323 | Electrophotographic printing plate | Hiroaki Yokoya, Hideo Sato | 1991-01-15 |
| 4910109 | Electrophotographic printing plate containing thiopyrylium salt compound | Hiroaki Yokoya, Hideo Sato | 1990-03-20 |
| 4800146 | Transparent electrophotographic photoreceptor comprising specific hydrazone and benzidine compounds as photoconductors | Hiroaki Yokoya, Kenji Sano, Hideo Sato | 1989-01-24 |
| 4740439 | Image-forming process using long-rolled photosensitive material | Syunichi Kondo, Masataka Murata, Hideo Sato | 1988-04-26 |
| 4681832 | Electrophotographic liquid developer | Hiroaki Yokoya, Syu Watarai, Katuzi Kitatani | 1987-07-21 |
| 4544627 | Negative image forming process in o-quinone diazide layer utilizing laser beam | Yonosuke Takahashi, Fumiaki Shinozaki, Tomoaki Ikeda | 1985-10-01 |
| 4473630 | Liquid developer comprising aminoalkyl styrene polymer for electrostatic images | Hiroaki Yokoya, Nobuo Suzuki, Shu Watarai | 1984-09-25 |
| 4431725 | Light-sensitive material and image forming processes using the same | Yohnosuke Takahashi, Fumiaki Shinozaki, Tomoaki Ikeda | 1984-02-14 |