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Yuji Yasuda

Ricoh Company: 4 patents #13 of 604Top 3%
Overall (1994): #3,779 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5376994 Compact BI-color electrophotographic image forming apparatus Takashi Mama, Kan Tomita, Fumihiro Miyagawa, Shinji Kobayashi, Takanobu Fujioka +2 more 1994-12-27
5355153 Optical image writing unit having improved driving mechanism 1994-10-11
5309182 Bicolor image forming apparatus for forming a bicolor image on a photoconductive element Takashi Mama, Kan Tomita, Fumihiro Miyagawa, Shinji Kobayashi, Takanobu Fujioka +2 more 1994-05-03
5280362 Digital copier for copying a bicolored document at the same speed as a monocolored document Koichi Noguchi, Hiroshi Takahashi, Tomotoshi Nakahara, Michihito Ohashi 1994-01-18