Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165690 | Method of developing photosensitive lithographic printing plate precursor | Susumu Yoshida, Keitaro Aoshima | 2000-12-26 |
| 5837425 | Method of preparing a lithographic printing plate using a developer containing a development stabilizer | Haruo Nakanishi, Hiroshi Matsumoto | 1998-11-17 |
| 5496677 | Presensitized plate for use in making lithographic printing plate comprising a mat layer and coating layer on the back face of the substrate | Hitoshi Hagiwara, Nobuyuki Kita | 1996-03-05 |
| 5480762 | Method for preparing lithographic printing plate | Kenji Kunichika | 1996-01-02 |
| 5464724 | PS plate and method for processing same | Keiji Akiyama, Noriaki Watanabe, Hisashi Hotta, Nobuyuki Nishimiya | 1995-11-07 |
| 5326674 | Method for processing photosensitive copying materials | Atsushi Sakamoto | 1994-07-05 |
| 5254430 | Presensitized plate having anodized aluminum substrate, hydrophilic layer containing phosphonic or phosphinic compound and photosensitive layer containing O-quinone diazide compound | Akira Nagashima, Keiji Akiyama | 1993-10-19 |
| 5250393 | Method for developing presensitized plate for use in making lithographic printing plate | Masanori Imai, Keiji Akiyama, Akinobu Koike | 1993-10-05 |
| 5230988 | Method of making lithographic printing plate | Keiji Akiyama | 1993-07-27 |
| 5002857 | Method for manufacturing lithographic printing plates | Hiroshi Matsumoto, Kenji Kunichika | 1991-03-26 |
| 4996135 | Desensitizing gum lithographic plate finisher | Kenji Kunichika, Norio Hishiki, Masahiro Nishida | 1991-02-26 |
| 4880724 | Method for manufacture of lithographic printing plate with disposable developer with surfactant | Hisao Ohba, Kenji Kunichika | 1989-11-14 |
| 4837131 | Developing method for photosensitive material | Kesanao Kobayashi, Hisao Ohba | 1989-06-06 |
| 4731119 | Desensitizing gum for planographic printing plates | Kesanao Kobayashi | 1988-03-15 |
| 4719172 | Desensitizing gum for lithograhic printing plates | Hiroshi Matsumoto | 1988-01-12 |
| 4701399 | Photosensitive composition with 2-halomethyl-5-substituted-1,3,4-oxadiazole | Teruo Nagano, Akira Nagashima | 1987-10-20 |
| 4687727 | Light-sensitive planographic printing plate with layer of diazo resin containing photopolymerizable composition | Kesanao Kobayashi, Mitsuru Koike, Koji Tamoto | 1987-08-18 |
| 4573782 | Developing apparatus for forming an image in light-sensitive material using photopolymerizable composition | Kesanao Kobayashi, Susumu Yoshida | 1986-03-04 |
| 4511645 | Photosensitive plate for lithographic printing plate | Mitsuru Koike, Kesanao Kobayashi, Hiroshi Misu, Koji Tamoto, Masayuki Iwasaki | 1985-04-16 |
| 4393128 | Light-sensitive lithographic printing plate precursor | Keisuke Shiba, Sho Nakao | 1983-07-12 |
| 4347305 | Photosensitive lithographic printing plate precursors and methods of preparing printing plate therefrom | Keisuke Shiba | 1982-08-31 |
| 4341856 | Photosensitive lithographic printing plate precursors | Sho Nakao, Keisuke Shiba, Hidefumi Sera, Masasi Ogawa | 1982-07-27 |
| 4331479 | Process of using light-sensitive o-quinone diazide material to make aluminum oxide nameplate | — | 1982-05-25 |
| 4299912 | Process for the production of printing plates | Keisuke Shiba, Sho Nakao | 1981-11-10 |
| 4268609 | Process for preparing photosensitive lithographic printing plate precursor | Keisuke Shiba, Sho Nakao | 1981-05-19 |