Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5480762 | Method for preparing lithographic printing plate | Tadao Toyama | 1996-01-02 |
| 5221330 | Concentrated dampening water composition for lithographic printing | Hiroshi Matsumoto | 1993-06-22 |
| 5165344 | Dampening water composition for lithographic printing and method for lithographic printing | Hiroshi Matsumoto, Toshio Uchida | 1992-11-24 |
| 5163999 | Dampening solution composition for lithographic printing | Toshio Uchida, Hiroshi Matsumoto, Shigeru Sasaki | 1992-11-17 |
| 5138353 | Photo-sensitive printing plate processing apparatus | Hisao Ohba, Hiroshi Matsumoto | 1992-08-11 |
| 5136322 | Light-sensitive material processing apparatus | Hisao Ohba, Hisao Kanazaki | 1992-08-04 |
| 5106414 | Dampening water composition for lithographic printing and additive for dampening water | Hiroshi Matsumoto, Toshio Uchida | 1992-04-21 |
| 5064749 | Dampening water composition for lithographic plate | Hiroshi Matsumoto, Toshio Uchida | 1991-11-12 |
| 5002857 | Method for manufacturing lithographic printing plates | Tadao Toyama, Hiroshi Matsumoto | 1991-03-26 |
| 4996135 | Desensitizing gum lithographic plate finisher | Tadao Toyama, Norio Hishiki, Masahiro Nishida | 1991-02-26 |
| 4952958 | Photo-sensitive printing plate automatic developing apparatus | Hisao Ohba | 1990-08-28 |
| 4882246 | Method for supplementing replenisher for developer in automatic developing machine for presensitized plate | Hisao Ohba, Tomoaki Takekoshi | 1989-11-21 |
| 4880724 | Method for manufacture of lithographic printing plate with disposable developer with surfactant | Tadao Toyama, Hisao Ohba | 1989-11-14 |
| 4841320 | Developing device for photosensitive material | Tomoaki Takekoshi, Hisao Ohba | 1989-06-20 |
| 4840875 | Desensitizing gum for lithographic printing plate comprising a polybasic and monoester of polysaccharide | Hiroshi Matsumoto, Akira Shingu | 1989-06-20 |
| 4673627 | Electrophotographic lithographic printing plate | Yoshikatsu Kagawa, Chikashi Ohishi, Sho Nakao, Yasuzi Asao | 1987-06-16 |
| 4559288 | Electrophotographic photoreceptor | Sho Nakao, Chikashi Ohishi, Masato Iwai, Kiyoshi Iwamoto | 1985-12-17 |