Issued Patents All Time
Showing 551–564 of 564 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009974 | Surface-treated metal body, process for producing the same, photoconductive member using the same and rigid ball for treating metal body surface | Mitsuru Honda, Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1991-04-23 |
| 4974964 | Apparatus for preparing electrophotographic photosensitive members | Toshiyuki Yoshihara, Yoichi Kawamorita, Masaru Nakagawa, Masaaki Hiro | 1990-12-04 |
| 4962008 | Electrophotographic photosensitive member | Yoichi Kawamorita | 1990-10-09 |
| 4939057 | Surface-treated metal body, process for producing the same, photoconductive member using the same and rigid ball for treating metal body surface | Mitsuru Honda, Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1990-07-03 |
| 4932860 | Electrophotographic photosensitive member | Toshiyuki Yoshihara, Masaaki Hiro, Yoichi Kawamorita, Masaru Nakagawa, Fumio Sumino +2 more | 1990-06-12 |
| 4920021 | Electrophotographic photosensitive member | Yoichi Kawamorita | 1990-04-24 |
| 4877701 | Photosensitive member for electrophotography | Masaaki Hiro, Hisami Tanaka, Noboru Kashimura, Shigemori Tanaka, Hitoshi Tohma +1 more | 1989-10-31 |
| 4863823 | Electrophotographic member with the surface layer having a fluorine type resin powder and a fluorine type block polymer | Masaaki Hiro, Toshiyuki Yoshihara, Yoichi Kawamorita, Masaru Nakagawa | 1989-09-05 |
| 4855202 | Electrophotographic photosensitive member | Toshiyuki Yoshihara | 1989-08-08 |
| 4803337 | Method for producing a light transmitting filter | Reiji Ishikawa | 1989-02-07 |
| 4792507 | Electrophotographic member with surface layer having fluorine resin powder and fluorine graft polymer | Toshiyuki Yoshihara, Masaaki Hiro | 1988-12-20 |
| 4658756 | Imaging holding member | Hiroshi Ito | 1987-04-21 |
| 4465362 | Cleaning device | Hitoshi Tohma, Hiroshi Ito | 1984-08-14 |
| 4439258 | Method for covering with cylindrically shaped heat-shrinkable film | Hitoshi Toma, Hideyo Kondo | 1984-03-27 |