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Yasumori Nagahara

Ricoh Company: 8 patents #2,692 of 9,818Top 30%
Overall (All Time): #661,418 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7110700 Belt driving controller, process cartridge, and image forming apparatus Toshiyuki Andoh, Tadashi Shinohara, Yuuji Matsuda, Kazuhiko Kobayashi, Nobuto Yokokawa +4 more 2006-09-19
5646749 Color image forming apparatus Kyoji Omi 1997-07-08
4951160 Image reproducing apparatus Kenichirou Asada, Takanobu Fujioka, Yoshiaki Kanmoto, Mitsuo Hasebe, Kiyoto Nagasawa +2 more 1990-08-21
4421405 Multiple mode copying apparatus 1983-12-20
4350750 Electrophotographic process Shigeru Suzuki, Minoru Suzuki, Koichi Suzuki, Kyoji Omi, Yoshiharu Kagari +2 more 1982-09-21
4299475 Scanning method and apparatus applicable to variable magnification copying machines 1981-11-10
4297021 Powder material transportation apparatus Tatsuo Tani, Sakae Ohta, Minoru Suzuki, Kiyozo Hashizume 1981-10-27
4231653 Oil supply apparatus Haruki Iida 1980-11-04