YF

Yukio Fujiwara

Ricoh Company: 4 patents #201 of 1,683Top 15%
Overall (2011): #19,544 of 364,097Top 6%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8084170 Electrophotographic photoconductor, electrophotographic process cartridge containing the same and electrophotographic apparatus containing the same Hidetoshi Kami, Tetsuro Suzuki, Hiroshi Tamura, Hiroshi Ikuno, Takafumi Iwamoto 2011-12-27
8043773 Image bearing member, image forming apparatus and process cartridge Hiroshi Ikuno, Tetsuro Suzuki, Hidetoshi Kami, Hiroshi Tamura 2011-10-25
8043777 Electrophotographic photoconductor, process cartridge, and image forming apparatus Hidetoshi Kami, Tetsuro Suzuki, Hiroshi Tamura, Hiroshi Ikuno 2011-10-25
7914959 Image bearing member, image forming method, and image forming apparatus Yoshinori Inaba, Tetsuro Suzuki, Hiroshi Tamura, Hidetoshi Kami, Tetsuya Toshine 2011-03-29