TO

Tadayuki Ohshima

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,517,112 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8989630 Conductive member, process cartridge, and image forming apparatus 2015-03-24
8912784 Conductive member evaluator and conductive member evaluation method 2014-12-16
7151904 Conductive member and process cartridge and image forming apparatus using the same Yutaka Narita, Makoto Nakamura, Taisuke Tokuwaki, Akiko Tanaka 2006-12-19