Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677095 | Electrophotographic photosensitive member | Toshihiro Kikuchi, Akio Maruyama, Shin Nagahara, Hisami Tanaka, Teigo Sakakibara +1 more | 1997-10-14 |
| 5663283 | Polyamide, electrophotographic photosensitive member employing the polyamide, and electrophotographic apparatus, device unit and facsimile machine employing the member | Teigo Sakakibara, Kiyoshi Sakai, Takashi Koyama | 1997-09-02 |
| 5601913 | Transfer material carrying member and image forming apparatus | Naoto Fujimura, Kiyoshi Sakai, Teigo Sakakibara, Yuichi Hashimoto | 1997-02-11 |
| 5534581 | Transfer material carrying member and image forming apparatus making use of the same | Naoto Fujimura, Kiyoshi Sakai, Teigo Sakakibara, Masahiro Inoue, Nobuhiko Takekoshi +5 more | 1996-07-09 |
| 5484673 | Electrophotographic photosensitive member | Toshihiro Kikuchi, Akio Maruyama, Shin Nagahara, Hisami Tanaka, Teigo Sakakibara +1 more | 1996-01-16 |
| 5419993 | Polyamide, electrophotographic photosensitive member employing the polyamide, and electrophotographic apparatus, device unit and facsimile machine employing the member | Teigo Sakakibara, Kiyoshi Sakai, Takashi Koyama | 1995-05-30 |
| 5418098 | Electrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive member | Shinya Mayama, Teigo Sakakibara, Katsumi Aoki, Noriyoshi Ogawa, Satoshi Kanayama | 1995-05-23 |
| 5391449 | Electrophotographic photosensitive member | Akio Maruyama, Shin Nagahara, Shinya Mayama | 1995-02-21 |
| 5391446 | Image holding member | Akio Maruyama, Shin Nagahara, Shinya Mayama | 1995-02-21 |
| 5352552 | Image-bearing member and apparatus including same | Akio Maruyama, Naoto Fujimura, Kiyoshi Sakai, Shin Nagahara, Seiko Nakano | 1994-10-04 |
| 5327200 | Transfer sheet-carrying member and image forming apparatus | Teigo Sakakibara | 1994-07-05 |
| 5283142 | Image-holding member, and electrophotographic apparatus, apparatus unit, and facsimile machine employing the same | Shinya Mayama, Naoto Fujimura, Kiyoshi Sakai, Katsumi Aoki, Noriyoshi Ogawa +1 more | 1994-02-01 |
| 5272508 | Electrophotographic photosensitive member and apparatus incorporating the same | Teigo Sakakibara, Kiyoshi Sakai, Naoto Fujimura | 1993-12-21 |
| 5270141 | Image-holding member, and electrophotographic apparatus, apparatus unit, and facsimile machine employing the same | Teigo Sakakibara | 1993-12-14 |