SI

Sohichiroh Ishikawa

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,478,878 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9989909 Belt device and image forming apparatus incorporating same 2018-06-05
8743167 Optical scanner including an optical element holder and image forming apparatus including same Hideyo Makino 2014-06-03
8599413 Image forming apparatus Yoshiaki Morita, Tomohide Takenaka 2013-12-03