Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211357 | Electrophotographic photosensitive member | Kazuto Hosoi, Hideaki Matsuoka, Satoshi Kojima | 2007-05-01 |
| 7060406 | Light-receiving member, image-forming apparatus, and image-forming method | Kunimasa Kawamura, Shigenori Ueda, Junichiro Hashizume, Ryuji Okamura, Masaya Kawada +2 more | 2006-06-13 |
| 7033717 | Process for producing electrophotographic photosensitive member, and electrophotographic photosensitive member and electrophotographic apparatus making use of the same | Satoshi Kojima, Hideaki Matsuoka, Junichiro Hashizume, Ryuji Okamura, Koji Hitsuishi +2 more | 2006-04-25 |
| 7033721 | Method for producing electrophotographic photosensitive member, electrophotographic photosensitive member and electrophotographic apparatus using the same | Junichiro Hashizume, Hideaki Matsuoka, Ryuji Okamura, Koji Hitsuishi, Satoshi Kojima +2 more | 2006-04-25 |
| 6971849 | Compressor and aluminum members assembled by arc welding | Takayasu Saito, Hiroyuki Matsumori, Dai Matsuura, Takashi Sato | 2005-12-06 |
| 6846600 | Electrophotographic photosensitive member, process for its production, and electrophotographic apparatus | Junichiro Hashizume, Masaya Kawada, Tetsuya Karaki, Hironori Ohwaki, Kunimasa Kawamura +2 more | 2005-01-25 |
| 6670089 | Electrophotographic image forming method and apparatus | Tatsuyuki Aoike, Junichiro Hashizume, Masaharu Miura | 2003-12-30 |
| 6636715 | Photosensitive member and image forming apparatus having the same | Kunimasa Kawamura, Koji Yamazaki, Masaya Kawada, Tetsuya Karaki, Hironori Owaki | 2003-10-21 |
| 6605405 | Electrophotographic method and electrophotographic apparatus | Hironori Owaki, Yuji Nakayama, Masaya Kawada, Takaaki Kaya, Tetsuya Karaki | 2003-08-12 |
| 6586149 | Light-receiving member, image-forming apparatus, and image-forming method | Kunimasa Kawamura, Shigenori Ueda, Junichiro Hashizume, Ryuji Okamura, Masaya Kawada +2 more | 2003-07-01 |
| 6556233 | Electrophotographic apparatus and electrophotographic method featuring a photosensitive member having a linear EV characteristic | Yuji Nakayama, Masaya Kawada, Hironori Owaki | 2003-04-29 |
| 6534228 | Electrophotographic photosensitive member and image forming apparatus | Masaya Kawada, Tetsuya Karaki, Hironori Ohwaki, Kunimasa Kawamura | 2003-03-18 |
| 6531253 | Electrophotographic photosensitive member and apparatus using same | Koji Yamazaki, Masaya Kawada, Tetsuya Karaki, Hironori Ohwaki, Kunimasa Kawamura | 2003-03-11 |
| 6529223 | Image forming apparatus with light beam control | Hironori Ohwaki, Masaya Kawada | 2003-03-04 |
| 6333755 | Electrophotographic apparatus | Masaya Kawada, Hironori Ohwaki | 2001-12-25 |
| 6285385 | Electrophotographic method and apparatus which employs light beam irradiation to form an electrostatic image on a surface of a photosensitive member | Hironori Owaki, Koji Yamazaki, Tetsuya Karaki, Kunimasa Kawamura | 2001-09-04 |
| 6272301 | Image forming apparatus featuring a rotatable electroconductive foam member | Masaya Kawada, Harumi Ishiyama | 2001-08-07 |
| 6240269 | Image forming apparatus having a photosensitive member of amorphous silicon base and system for exposing and charging the photosensitive member | Takaaki Kaya, Masaya Kawada, Tetsuya Karaki, Yuji Nakayama | 2001-05-29 |
| 6122467 | Image forming apparatus using an amorphous silicon photosensitive member having a thin cylinder | Yuji Nakayama, Masaya Kawada, Hironori Owaki | 2000-09-19 |
| 6110629 | Electrophotographic, photosensitive member and image forming apparatus | Yuji Nakayama, Tetsuya Karaki, Hironori Owaki | 2000-08-29 |
| 6055404 | Cleaning device for electrophotographic apparatus, electrophotographic apparatus, method for cleaning light receiving member of electrophotographic apparatus, and electrophotographic process comprising the cleaning method | Koji Yamazaki, Yuji Nakayama, Hironori Ohwaki | 2000-04-25 |
| 5983043 | Potential measuring apparatus and potential measuring method | Hironori Ohwaki, Koji Yamazaki, Masaya Kawada, Takaaki Kaya, Tetsuya Karaki | 1999-11-09 |
| 5853936 | Light receiving member, substrate for said light receiving member, and electrophotographic apparatus having said light receiving member | Yoshio Segi, Hiroyuki Katagiri, Yasuyoshi Takai, Hideaki Matsuoka | 1998-12-29 |
| 5797072 | Apparatus and method for contact charging an amorphous silicon photoconductor via a mulipolar magnetic body having a magnetic brush layer | Masaya Kawada | 1998-08-18 |
| 5732313 | Charge apparatus and image forming apparatus | Masaya Kawada, Tetsuya Karaki | 1998-03-24 |