Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470940 | Transfer material supporting member and image forming device using this transfer material supporting member | Noriko Otani | 1995-11-28 |
| 5419993 | Polyamide, electrophotographic photosensitive member employing the polyamide, and electrophotographic apparatus, device unit and facsimile machine employing the member | Kiyoshi Sakai, Takashi Koyama, Noriko Ohtani | 1995-05-30 |
| 5418098 | Electrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive member | Shinya Mayama, Noriko Ohtani, Katsumi Aoki, Noriyoshi Ogawa, Satoshi Kanayama | 1995-05-23 |
| 5371577 | Ozone filter used in electrophotographic apparatus including catalyst of CuO, MnO.sub.2, and a water-soluble polymer | Naoto Fujimura, Koji Yamazaki, Kiyoshi Sakai, Noriko Hirayama | 1994-12-06 |
| 5354385 | Solar cell | Yuichi Hashimoto, Hisami Tanaka | 1994-10-11 |
| 5338632 | Electrophotographic photosensitive member and electrophotographic device using the same | Yuichi Hashimoto, Shoji Amamiya | 1994-08-16 |
| 5327200 | Transfer sheet-carrying member and image forming apparatus | Noriko Ohtani | 1994-07-05 |
| 5312709 | Image holding member and apparatus making use of it | Susumu Kadokura, Fumio Sumino | 1994-05-17 |
| 5272508 | Electrophotographic photosensitive member and apparatus incorporating the same | Kiyoshi Sakai, Noriko Ohtani, Naoto Fujimura | 1993-12-21 |
| 5270141 | Image-holding member, and electrophotographic apparatus, apparatus unit, and facsimile machine employing the same | Noriko Ohtani | 1993-12-14 |
| 5250990 | Image-bearing member for electrophotography and blade cleaning method | Naoto Fujimura, Kiyoshi Sakai, Junichi Kishi | 1993-10-05 |
| 5190837 | Image holder member having resin layer of metal-coated fine resin particles and binder resin | Kiyoshi Sakai, Hisami Tanaka, Naoto Fujimura, Takashi Koyama | 1993-03-02 |
| 5148639 | Surface roughening method for organic electrophotographic photosensitive member | Kiyoshi Sakai, Harumi Sakou, Shoji Amamiya | 1992-09-22 |
| 5079117 | Electrophotographic photosensitive member with electrical conductor containing polyether-polyurethane layer | Takashi Koyama, Hideki Anayama, Yuichi Hashimoto, Noriko Hirayama, Kiyoshi Sakai +2 more | 1992-01-07 |
| 4920022 | Electrophotographic photosensitive member comprising aryl amine charge transport material | Kiyoshi Sakai, Harumi Sakoh, Shoji Amamiya | 1990-04-24 |
| 4910536 | Electrophotographic photosensitive member, electrophotographic apparatus and process for forming an electrophotographic image using laser and special organic photoconductor | Naoto Fujimura, Masami Okunuki, Noboru Kashimura | 1990-03-20 |
| 4882257 | Electrophotographic device | Akio Maruyama, Yuichi Hashimoto | 1989-11-21 |
| 4853736 | Image forming apparatus | Koji Goto | 1989-08-01 |
| 4761359 | Electrophotographic process using photoconductive cylinder of small diameter | Kiyoshi Sakai, Naoto Fujimura, Junichi Kishi | 1988-08-02 |