Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636715 | Photosensitive member and image forming apparatus having the same | Kunimasa Kawamura, Koji Yamazaki, Toshiyuki Ehara, Masaya Kawada, Hironori Owaki | 2003-10-21 |
| 6605405 | Electrophotographic method and electrophotographic apparatus | Hironori Owaki, Toshiyuki Ehara, Yuji Nakayama, Masaya Kawada, Takaaki Kaya | 2003-08-12 |
| 6586149 | Light-receiving member, image-forming apparatus, and image-forming method | Kunimasa Kawamura, Shigenori Ueda, Toshiyuki Ehara, Junichiro Hashizume, Ryuji Okamura +2 more | 2003-07-01 |
| 6534228 | Electrophotographic photosensitive member and image forming apparatus | Masaya Kawada, Toshiyuki Ehara, Hironori Ohwaki, Kunimasa Kawamura | 2003-03-18 |
| 6531253 | Electrophotographic photosensitive member and apparatus using same | Toshiyuki Ehara, Koji Yamazaki, Masaya Kawada, Hironori Ohwaki, Kunimasa Kawamura | 2003-03-11 |