Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37962 | Photopolymerizable composition containing a sensitizing dye and a titanocene compound | Kazuo Fujita | 2003-01-07 |
| 5939235 | Positive-working light-sensitive composition | Akira Umehara, Yoshimasa Aotani, Tsuguo Yamaoka | 1999-08-17 |
| 5731363 | Photopolymerizable composition containing sensitizing dye and titanocene compound | Yasuo Okamoto | 1998-03-24 |
| 5725994 | Negative type photosensitive compositions comprising a hydroxyimide compound | — | 1998-03-10 |
| 5703140 | Photopolymerizable composition | Kazuto Kunita | 1997-12-30 |
| 5700849 | Photopolymerizable composition containing a sensitizing dye and a titanocene compound | Kazuo Fujita | 1997-12-23 |
| 5698372 | Photosensitive lithographic printing plate | Yasuo Okamoto, Hiroyuki Nagase | 1997-12-16 |
| 5691394 | Photopolymerizable composition containing a sensitizing dye and a titanocene compound | — | 1997-11-25 |
| 5658708 | Image recording material | — | 1997-08-19 |
| 5637428 | Lithographic printing plate | Seiji Horie | 1997-06-10 |
| 5609992 | Photopolymerizable composition | Tadahiro Sorori, Yasuo Okamoto, Hiromichi Kurita | 1997-03-11 |
| 5385807 | Photopolymerizable composition | Yasuo Okamoto, Toshinao Ukai | 1995-01-31 |
| 5346805 | Photopolymerizable composition | Akira Umehara | 1994-09-13 |
| 5340683 | Presensitized plate having surface-grained and anodized aluminum substrate with light-sensitive layer containing quinone diazide sulfonic acid ester of particular polyhydroxy compound | Akira Nagashima, Yasumasa Kawabe | 1994-08-23 |
| 5334486 | Photopolymerizable composition and dry PS plate | Yukio Abe, Tatsuji Higashi, Tsumoru Hirano | 1994-08-02 |
| 5320931 | Light-sensitive composition | Akira Umehara, Tsuguo Yamaoka | 1994-06-14 |
| 5250385 | Photopolymerizable composition | Yoshimasa Aotani, Akira Umehara, Tsuguo Yamaoka | 1993-10-05 |
| 5102760 | Electrophotographic photoreceptor and electrophotographic printing plate precursor comprising phthalocyanine pigment and thiobarbituric acid derivative | Hiroaki Yokoya, Hiromichi Tachikawa, Syu Watarai, Seiji Horie | 1992-04-07 |
| 5075171 | Conductive film and method for preparing same | Syu Watarai | 1991-12-24 |
| 5035969 | Electrophotographic photoreceptor containing phthalocyanine | Hiroaki Yokoya, Seiji Horie | 1991-07-30 |
| 5004641 | Electroconducting semiconductor and binder or binder precursor coated in a subbing layer | Syu Watarai | 1991-04-02 |
| 4740439 | Image-forming process using long-rolled photosensitive material | Hiromichi Tachikawa, Masataka Murata, Hideo Sato | 1988-04-26 |
| 4622278 | Electrophotographic light-sensitive material comprising charge transport compound and styryl sensitizing dye | Seiji Horie, Hideo Sato, Kenji Sano | 1986-11-11 |
| 4622279 | Light transmissible light-sensitive recording materials | Yasuaki Yuyama, Hideo Sato | 1986-11-11 |
| 4500623 | Photoconductive compositions comprising an organic photoconductor and a thioamide compound and electrophotographic light-sensitive materials using the compositions | Kenji Sano, Hideo Sato | 1985-02-19 |