YM

Yuka Miyamoto

Ricoh Company: 3 patents #66 of 684Top 10%
Overall (2003): #18,558 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6649313 Photoreceptor, method of evaluating a photoreceptor, and method of producing the photoreceptor Toshiyuki Kabata, Toshio Fukagai, Junichi Yamazaki, Katsuhiko Tani, Noriyuki Iwata +2 more 2003-11-18
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
6534227 Photoreceptor, method of evaluating the photoreceptor, method of producing the photoreceptor, and image formation apparatus using the photoreceptor Toshiyuki Kabata, Toshio Fukagai, Junichi Yamazaki, Katsuhiko Tani, Noriyuki Iwata +2 more 2003-03-18