KA

Kiyofumi Arai

Ricoh Company: 1 patents #810 of 1,683Top 50%
Overall (2011): #243,273 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7898709 Optical scan apparatus, image formation apparatus, optical deflector manufacturing method, polygon mirror processing method, and polygon mirror processing apparatus Kensuke Masuda, Yukio Itami, Hisashi Inada, Takeshi Kikuchi, Yoshihiro Takahashi +1 more 2011-03-01