Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677095 | Electrophotographic photosensitive member | Toshihiro Kikuchi, Noriko Ohtani, Shin Nagahara, Hisami Tanaka, Teigo Sakakibara +1 more | 1997-10-14 |
| 5667926 | Electrophotographic apparatus and image forming process | Harumi Sako, Kazushige Nakamura, Shoji Amamiya | 1997-09-16 |
| 5484673 | Electrophotographic photosensitive member | Toshihiro Kikuchi, Noriko Ohtani, Shin Nagahara, Hisami Tanaka, Teigo Sakakibara +1 more | 1996-01-16 |
| 5455135 | Electrophotographic photosensitive member with overlayer and electrophotographic apparatus employing same | Kazushige Nakamura, Shoji Amamiya, Shin Nagahara, Haruyuki Tsuji, Masaaki Yamagami +1 more | 1995-10-03 |
| 5430527 | Electrophotographic apparatus having cleaning width larger than charging width | Junichi Kishi, Hiroyuki Ohmori, Masami Okunuki | 1995-07-04 |
| 5422210 | Electrophotographic photosensitive member and electrophotographic apparatus, device unit and facsimile machine using the same | Toshiro Kikuchi, Shoji Amamiya, Shin Nagahara, Katsumi Aoki | 1995-06-06 |
| 5391449 | Electrophotographic photosensitive member | Shin Nagahara, Noriko Ohtani, Shinya Mayama | 1995-02-21 |
| 5391446 | Image holding member | Noriko Ohtani, Shin Nagahara, Shinya Mayama | 1995-02-21 |
| 5385797 | Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same | Shin Nagahara, Haruyuki Tsuji | 1995-01-31 |
| 5352552 | Image-bearing member and apparatus including same | Naoto Fujimura, Kiyoshi Sakai, Shin Nagahara, Noriko Ohtani, Seiko Nakano | 1994-10-04 |
| 5327272 | Optical modulation element | Ryoji Fujiwara, Shuzo Kaneko, Tomoko Maruyama, Tomoko Murakami | 1994-07-05 |
| 5176976 | Organic electronic material and electrophotographic photosensitive member containing same | Toshihiro Kikuchi | 1993-01-05 |
| 4974026 | Reverse development electrophotographic apparatus and image forming method using a dispersion-type organic photoconductor | — | 1990-11-27 |
| 4898798 | Photosensitive member having a light receiving layer comprising a carbonic film for use in electrophotography | Masao Sugata, Tohru Den, Susumu Ito, Keiji Hirabayashi, Keiko Ikoma +6 more | 1990-02-06 |
| 4892800 | Photosensitive member having a photoconductive layer comprising a carbonic film for use in electrophotography | Masao Sugata, Tatsuo Takeuchi, Hiroshi Satomura, Yoshihiro Oguchi, Keishi Saito +6 more | 1990-01-09 |
| 4882257 | Electrophotographic device | Teigo Sakakibara, Yuichi Hashimoto | 1989-11-21 |
| 4564784 | Reduced degradation, high resolution image pickup tube | Sachio Ishioka, Yoshinori Imamura, Tadaaki Hirai, Saburo Nobutoki | 1986-01-14 |