Issued Patents All Time
Showing 51–75 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7251437 | Image formation apparatus having a body to be charged with specified properties and including the use of a protective material | Nozomu Tamoto, Yasuo Suzuki, Takahiko Tokumasu, Kazuhiko Watanabe, Hiroshi Nakai +3 more | 2007-07-31 |
| 7186490 | Photosensitive material, electrophotographic photoreceptor using the material, and electrophotographic image forming method and apparatus using the photoreceptor | Tatsuya Niimi | 2007-03-06 |
| 7179573 | Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same | Hiroshi Tamura, Hiroshi Ikuno, Kazukiyo Nagai, Hongguo Li | 2007-02-20 |
| 7175957 | Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same | Hiroshi Tamura, Hiroshi Ikuno, Kazukiyo Nagai, Hongguo Li | 2007-02-13 |
| 7160658 | Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same | Kazukiyo Nagai, Nozomu Tamoto, Eiji Kurimoto, Hidetoshi Kami | 2007-01-09 |
| 7142630 | X-ray computed tomography apparatus with X-ray intensity control | — | 2006-11-28 |
| 6936388 | Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same | Kazukiyo Nagai, Nozomu Tamoto, Eiji Kurimoto, Hidetoshi Kami | 2005-08-30 |
| 6858362 | Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor | Nozomu Tamoto, Hiroshi Tamura, Tatsuya Niimi, Akihiko Matsuyama, Eiji Kurimoto +1 more | 2005-02-22 |
| 6844124 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor | Hiroshi Ikuno, Hidetoshi Kami, Ryohichi Kitajima, Narihito Kojima, Akihiko Matsuyama +8 more | 2005-01-18 |
| 6790572 | Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor | Nozomu Tamoto, Hiroshi Tamura, Tatsuya Niimi, Akihiko Matsuyama, Eiji Kurimoto +1 more | 2004-09-14 |
| 6641964 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor | Hiroshi Ikuno, Hidetoshi Kami, Ryohichi Kitajima, Narihito Kojima, Akihiko Matsuyama +8 more | 2003-11-04 |
| 6326112 | Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor | Hiroshi Tamura, Hidetoshi Kami, Katsuichi Ohta, Tatsuya Niimi, Narihito Kojima | 2001-12-04 |
| 6210848 | Electrophotographic photoconductor, and process cartridge and image forming apparatus using the same | Kazukiyo Nagai, Masaomi Sasaki, Kohkoku Ri, Shinichi Kawamura | 2001-04-03 |
| 6194535 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Chiaki Tanaka, Shinichi Kawamura +2 more | 2001-02-27 |
| 6151468 | Electrophotographic photoconductor | Hidetoshi Kami, Narihito Kojima, Hiroshi Nagame, Hiroshi Tamura, Yohta Sakon +1 more | 2000-11-21 |
| 6066428 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Chiaki Tanaka, Shinichi Kawamura +2 more | 2000-05-23 |
| 6030733 | Electrophotographic photoconductor with water vapor permeability | Hidetoshi Kami, Narihito Kojima, Hiroshi Nagame, Hiroshi Tamura, Yohta Sakon +1 more | 2000-02-29 |
| 6018014 | Aromatic polycarbonate and electrophotographic photosensitive medium using same | Kazukiyo Nagai, Masaomi Sasaki, Hiroshi Tamura, Tomoyuki Shimada, Chihaya Adachi +6 more | 2000-01-25 |
| 5871876 | Electrophotographic photoconductor | Hiroshi Ikuno, Hiroshi Nagame, Hidetoshi Kami, Jun Aoto, Hiroshi Tamura +2 more | 1999-02-16 |
| 5853935 | Electrophotographic photoconductor | Tatsuya Niimi, Tomoyuki Shimada | 1998-12-29 |
| 5840454 | Aromatic polycarbonate and electrophotographic photosensitive medium using same | Kazukiyo Nagai, Masaomi Sasaki, Hiroshi Tamura, Tomoyuki Shimada, Chihaya Adachi +6 more | 1998-11-24 |
| 5830980 | Electrophotographic photoconductor, aromatic polycarbonate resin for use in the same, and method of producing the aromatic polycarbonate resin | Mitsutoshi Anzai, Akihiro Imai, Masaomi Sasaki, Hiroshi Tamura, Tomoyuki Shimada +1 more | 1998-11-03 |
| 5747204 | Electrophotographic photoconductor and aromatic polycarbonate resin for use in the same | Mitsutoshi Anzai, Akihiro Imai, Masaomi Sasaki, Hiroshi Tamura, Tomoyuki Shimada +1 more | 1998-05-05 |
| 5723243 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Masaomi Sasaki, Hiroshi Tamura, Tomoyuki Shimada, Chiaki Tanaka, Kouji Kishida +6 more | 1998-03-03 |
| 5492784 | Positively-chargeable single-layered type electrophotographic photoconductor | Masao Yoshikawa, Masayuki Shoshi, Masakatsu Shimoda, Kaoru Teramura, Megumi Kawahara +3 more | 1996-02-20 |