Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319422 | Liquid electrophotographic developing device and method thereof | Chikashi Ohishi, Chiaki Kawamoto, Hidefumi Sera | 1994-06-07 |
| 5216201 | Liquid electrophotographic developing device | Chikashi Ohishi, Chiaki Kawamoto, Hidefumi Sera | 1993-06-01 |
| 5210005 | Method and apparatus for developing photosensitive lithographic plate | Tomoaki Takekoshi, Hisao Ohba, Seiji Shigetaka | 1993-05-11 |
| 5081499 | Liquid developing method and apparatus for electrophotography, and electrodes therefor | Chikashi Ohishi, Chiaki Kawamoto, Takao Nakayama, Hidefumi Sera | 1992-01-14 |
| 5057389 | Electrophotographic lithographic printing plate precursor with over back layer | Takao Nakayama, Chikashi Ohishi, Chiaki Kawamoto, Hidefumi Sera | 1991-10-15 |
| 4994342 | Electrophotographic lithographic printing plate precursor and a method of developing the same | Takao Nakayama, Chikashi Ohishi, Chiaki Kawamoto, Hidefumi Sera | 1991-02-19 |
| 4673627 | Electrophotographic lithographic printing plate | Kenji Kunichika, Yoshikatsu Kagawa, Chikashi Ohishi, Yasuzi Asao | 1987-06-16 |
| 4611409 | Liquid removing method | Akira Minami, Takao Nakayama | 1986-09-16 |
| 4559288 | Electrophotographic photoreceptor | Kenji Kunichika, Chikashi Ohishi, Masato Iwai, Kiyoshi Iwamoto | 1985-12-17 |
| 4555461 | Process for preparing a lithographic printing plate | Keisuke Shiba, Tetsuro Fuchizawa, Chikashi Ohishi | 1985-11-26 |
| 4500618 | Electrophotographic process for producing printing plate and plate making machine | Keisuke Shiba, Hiromi Yazawa, Chikashi Ohishi | 1985-02-19 |
| 4478930 | Presensitized lithographic printing plates | Keisuke Shiba, Shigeo Koizumi | 1984-10-23 |
| 4456670 | Photosensitive material for lithographic printing | Takao Nakayama, Chikashi Ohishi, Keisuke Shiba | 1984-06-26 |
| 4439515 | Light-sensitive ethylenically unsaturated materials containing benzanthrones and novel sensitizers | Fumiaki Shinozaki, Yasuo Washizawa, Tomoaki Ikeda, Syunichi Kondoh | 1984-03-27 |
| 4411983 | Method for processing an image-forming material | Yasuo Washizawa, Fumiaki Shinozaki, Tomoaki Ikeda | 1983-10-25 |
| 4393128 | Light-sensitive lithographic printing plate precursor | Keisuke Shiba, Tadao Toyama | 1983-07-12 |
| 4386153 | Light-sensitive photopolymerizable composition | Fumiaki Shinozaki, Yasuo Washizawa, Tomoaki Ikeda, Syunichi Kondoh | 1983-05-31 |
| 4341856 | Photosensitive lithographic printing plate precursors | Tadao Toyama, Keisuke Shiba, Hidefumi Sera, Masasi Ogawa | 1982-07-27 |
| 4299912 | Process for the production of printing plates | Keisuke Shiba, Tadao Toyama | 1981-11-10 |
| 4298679 | Light-sensitive composition | Fumiaki Shinozaki, Yasuo Washigawa, Tomoaki Ikeda, Syunichi Kondoh | 1981-11-03 |
| 4292392 | Protective layer of fatty acid or nylon on photosensitive resin for metal-image forming element | Tomoaki Ikeda, Fumiaki Shinozaki | 1981-09-29 |
| 4268609 | Process for preparing photosensitive lithographic printing plate precursor | Keisuke Shiba, Tadao Toyama | 1981-05-19 |