Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5529866 | Electrophotographic sensitive member | Takao Kawamura, Yoshikazu Nakayama, Yasuo Nishiguchi, Hiroshi Itoh, Hitoshi Takemura | 1996-06-25 |
| 5106711 | Electrophotographic sensitive member | Takao Kawamura, Hitoshi Takemura, Satoru Watanabe, Kokichi Ishibitsu | 1992-04-21 |
| 4997736 | Layered electrophotographic sensitive member comprising amorphous silicon carbide | Takao Kawamura, Hiroshi Itoh, Hitoshi Takemura | 1991-03-05 |
| 4977050 | Electrophotographic sensitive member | Takao Kawamura, Hiroshi Ito, Hitoshi Takemura, Kokichi Ishibutsu | 1990-12-11 |
| 4906546 | Electrophotographic sensitive member | Takao Kawamura, Hiroshi Ito, Hitoshi Takemura, Kazumasa Ohkawa, Kokichi Ishibitsu | 1990-03-06 |
| 4882252 | Electrophotographic sensitive member with amorphous silicon carbide | Takao Kawamura, Hiroshi Ito, Hitoshi Takemura, Kazumasa Ohkawa, Kokichi Ishibitsu | 1989-11-21 |
| 4689284 | Electrophotographic sensitive member | Takao Kawamura, Keibun Ejima, Hisashi Higuchi, Yasuo Nishiguchi | 1987-08-25 |
| 4675264 | Electrophotographic sensitive member with amorphous Si barrier layer | Takao Kawamura, Hideaki Iwano, Yasuo Nishiguchi | 1987-06-23 |
| 4666808 | Amorphous silicon electrophotographic sensitive member | Takao Kawamura, Hideaki Iwano, Yasuo Nishiguchi | 1987-05-19 |