Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285158 | Recording agent, image forming device, and image forming method | Takuya Iwanami, Haruo Yamamoto, Tohru Sakuwa | 2007-10-23 |
| 6322940 | Electrophotographic photoreceptor and electrophotographic image forming process | Hiroshi Sugimura | 2001-11-27 |
| 6291120 | Electrophotographic photoreceptor and coating composition for charge generating layer | Takatsugu Obata, Akihiro Kondo | 2001-09-18 |
| 5492786 | Electrophotographic photoreceptor | Hiroshi Sugimura, Satoshi Katayama, Kazushige Morita, Yoshimi Kojima, Yoshimasa Fujita +1 more | 1996-02-20 |
| 5489496 | Electrophotographic photoconductor and a method for forming the same | Satoshi Katayama, Kazuhiro Emoto, Hiroshi Sugimura, Kazushige Morita, Yoshimi Kojima +1 more | 1996-02-06 |
| 5393636 | Process for producing toner for the development of an electric image | Jun Sugita, Kazushige Morita, Satoshi Katayama, Hiroshi Sugimura, Kazuhiro Emoto | 1995-02-28 |
| 4942481 | Contact-type image sensor | Atsushi Yoshinouchi, Masataka Itoh, Shuhei Tsuchimoto, Keiji Tarui | 1990-07-17 |
| 4939591 | Contact-type image sensor | Masataka Itoh, Atsushi Yoshinouchi, Takashi Nukii, Shuhei Tsuchimoto | 1990-07-03 |
| 4828876 | Production of photoelectric conversion film and contact type image sensor | Soji Ohhara, Shuhei Tsuchimoto, Ryusuke Kita | 1989-05-09 |
| 4766085 | Method of manufacturing contact type one-dimensional image sensor | Ryusuke Kita, Shuhei Tsuchimoto, Akiteru Rai, Masaru Iwasaki, Yuzi Matsuda +1 more | 1988-08-23 |
| 4701997 | Method of making photo-electric converting elements | Ryusuke Kita, Shuhei Tsuchimoto | 1987-10-27 |
| 4644406 | Large scale contact type image reading unit using two-dimensional sensor array | Masataka Itoh, Shohichi Katoh | 1987-02-17 |
| 4597012 | Two-dimensional image read-out sensor device | Masataka Itoh, Shohichi Katoh | 1986-06-24 |