Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834156 | Method for processing photosensitive material and apparatus therefor | Jun Urasaki, Toshiyuki Morito, Masahiko Saikawa, Yoshikazu Takano | 1998-11-10 |
| 5047311 | Panchromatic silver halide photographic element | Kazunaka Endo, Kyonosuke Yammamoto, Shigeyoshi Suzuki | 1991-09-10 |
| 4899657 | Method for preventing penetration of damping solution between supporting base and plate | Toshiro Kondo, Kyonosuke Yamamoto | 1990-02-13 |
| 4837122 | Deleting fluid for printing plates and method for deletion | Toshiro Kondo, Hiroshi Nishinoiri | 1989-06-06 |
| 4824760 | Lithographic printing plate with benzotriazoles improved in printing endurance | Kazuyoshi Yamamoto, Masahiko Saikawa | 1989-04-25 |
| 4784933 | Method for making lithographic printing plate using light wavelengths over 700 .mu.m | Yasuo Tsubai, Akira Tanaka, Toshiro Kondo, Yoshikazu Takaya, Masahiko Saikawa +1 more | 1988-11-15 |
| 4772535 | Lithographic printing plate materials with light insensitive silver halide | Motozo Yamano, Kazunaka Endo | 1988-09-20 |
| 4770961 | Light sensitive materials for lithographic printing plates | Akira Tanaka, Yoshikazu Takaya, Masahiko Saikawa, Hidetoshi Miura | 1988-09-13 |
| 4743525 | Lithographic printing plate excellent in printing endurance | Kazuyoshi Yamamoto, Kyonosuke Yamamoto, Satoshi Katano | 1988-05-10 |
| 4732616 | Lithographic ink additives | Toshiro Kondo | 1988-03-22 |
| 4636066 | Method of exposing photosensitive material | Shigeyoshi Suzuki, Kazunaka Endo, Kyonosuke Yamamoto | 1987-01-13 |
| 4621041 | Lithographic printing plate | Masahiko Saikawa, Kazunaka Endo | 1986-11-04 |
| 4618255 | Process camera apparatus | Eiji Miyasaka, Iwao Hirose, Koji Yamashita, Kenji Kawai | 1986-10-21 |
| 4610949 | Method for direct plate making from multicolor original | Kazunaka Endo, Kyonosuke Yamamoto, Shigeyoshi Suzuki | 1986-09-09 |
| 4589920 | Ink composition utilized in lithographic printing and a lithographic printing process | Toshiro Kondo, Kenichi Isobe | 1986-05-20 |
| 4510228 | Lithographic printing plate with gelatin layers having pH values below isoelectric point | Yasuo Tsubai, Yoshikazu Takaya | 1985-04-09 |
| 4501811 | Process for making lithographic printing plates | Masahiko Saikawa, Akira Tanaka, Kazunaka Endo | 1985-02-26 |
| 4454216 | Method for making improved lithographic printing plate | Shoichi Horii, Mamoru Nakatani | 1984-06-12 |
| 4443531 | Deleting agents for printing plates and method for deletion | Shoji Yamada, Eiji Mathubara | 1984-04-17 |
| 4361639 | Method for treating lithographic printing plates | Toshiro Kondo, Shoji Yamada | 1982-11-30 |
| 4355090 | Method for making a diffusion transfer lithographic printing plates with oxazolidones | Shoji Yamada, Kozo Haino | 1982-10-19 |
| 4336321 | Silver halide photographic materials | Yasuo Tsubai, Shoji Yamada, Yoshikazu Takaya, Takao Senga | 1982-06-22 |
| 4297429 | Photographic material and diffusion transfer processing solution for making printing plates and method for making printing plates | Shoji Yamada, Yasuo Tsubai | 1981-10-27 |
| 4297430 | Photographic material for production of printing plates and method for production of printing plates | Shoji Yamada, Yasuo Tsubai | 1981-10-27 |