Inventor
FUJITSUKA HIROKI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “FUJITSUKA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI POWDERED METALS
4 patentsUS7575619B2Aug 18, 2009
Wear resistant sintered member
HITACHI POWDERED METALS13 citations82
US6562098B1May 13, 2003
Wear resistant sintered member
HITACHI POWDERED METALS14 citations82
US7572312B2Aug 11, 2009
Sintered valve seat and production method therefor
HITACHI POWDERED METALS7 citations72
US7892481B2Feb 22, 2011
Manufacturing method for wear resistant sintered member, sintered valve seat, and manufacturing method therefor
HITACHI POWDERED METALS4 citations57
FUJITSUKA HIROKI
3 patentsUS9212572B2Dec 15, 2015
Sintered valve guide and production method therefor
FUJITSUKA HIROKI3 citations59
US8617288B2Dec 31, 2013
Sintered material for valve guides and production method therefor
FUJITSUKA HIROKI2 citations59
US8876935B2Nov 4, 2014
Sintered material for valve guides and production method therefor
FUJITSUKA HIROKI0 citations48