KK

Kazuhiro Kotaka

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,215,804 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9213274 Grinding roller, fixing device, and image forming apparatus Eiri Sagae, Satoshi Kai, Yoshihisa Hara, Yuusuke Arai 2015-12-15
8588665 Toner carrier, developing device and image forming apparatus Hiroyuki Endo 2013-11-19
8070476 Thermal insulation stamper and production method of same Yuzuru Kudoh 2011-12-06
7704066 Heat insulating stamper structure Shigeru Fujita, Nobuhiro Tanaka 2010-04-27