Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432603 | Process for producing electrophotographic photosensitive member | Tomohiro Kimura, Yoichi Kawamorita, Koichi Suzuki, Hideaki Nagasaka, Yoshihiko Hyosu | 2002-08-13 |
| 5907750 | Cylindrical structure, process cartridge, and image forming apparatus | Yusuke Yamada, Toshie Kaneko | 1999-05-25 |
| 5842962 | Cylindrical body for an image forming apparatus | Yusuke Yamada, Saijiro Endo, Suguru Onuma | 1998-12-01 |
| 5675893 | Method for fastening an engaging member to a cylinder | Yusuke Yamada, Toshie Kaneko | 1997-10-14 |
| 5284729 | Coating composition for electrophotographic photosensitive member and method for forming electrophotographic photosensitive coating film by use thereof | Takashi Tanaka | 1994-02-08 |
| 5175586 | Developing apparatus and developer carrying member therefor | Yasuhide Goseki, Akira Unno, Yusuke Yamada, Kenji Fujishima | 1992-12-29 |
| 5140371 | Contact charging member, contact charging method making use of it, and apparatus making use of it | Yuji Ishihara, Tetsuya Kuribayashi, Takashi Tanaka | 1992-08-18 |
| 5112656 | Coating method suitable for use in production of photosensitive member for electrophotography | Kazushige Nakamura, Mitsuru Honda, Hitoshi Toma, Keiichi Murai, Akira Unno +1 more | 1992-05-12 |
| 4943819 | Image holding member and image forming device | Hitoshi Toma, Masafumi Hisamura | 1990-07-24 |
| 4877701 | Photosensitive member for electrophotography | Masaaki Hiro, Tomohiro Kimura, Hisami Tanaka, Noboru Kashimura, Hitoshi Tohma +1 more | 1989-10-31 |
| 4675262 | Multilayer electrophotographic photosensitive element having charge transport layer containing powdered material having specified refractive index | — | 1987-06-23 |
| 4618552 | Light receiving member for electrophotography having roughened intermediate layer | Fumio Sumino, Hitoshi Toma | 1986-10-21 |
| 4617245 | Light receiving member having tapered reflective surfaces between substrate and light receiving layer | Fumio Sumino, Keiji Kubo, Masafumi Hisamura, Hitoshi Toma, Naoto Fujimura | 1986-10-14 |