KN

Kazukiyo Nagai

Ricoh Company: 3 patents #22 of 609Top 4%
Overall (2002): #26,510 of 266,432Top 10%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6492079 Electrophotographic photoconductor, image forming apparatus, and process cartridge using the photoconductor Tomoyuki Shimada, Chiaki Tanaka, Michihiko Namba, Shinichi Kawamura 2002-12-10
6486293 Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor Kohkoku Ri, Masaomi Sasaki, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka 2002-11-26
6444387 Image bearing material, electrophotographic photoreceptor using the image bearing material, and image forming apparatus using the photoreceptor Kohkoku Ri, Masaomi Sasaki, Shinichi Kawamura 2002-09-03