Inventor
HIROSE MASAHITO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “HIROSE MASAHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI VALVE
8 patentsUS6131603AOct 17, 2000
Ti alloy poppet valve and surface treatment thereof
FUJI VALVE19 citations88
US6691910B2Feb 17, 2004
Method of joining different metal materials by friction welding
FUJI VALVE12 citations72
US5537744AJul 23, 1996
Tappet for an IC engine
FUJI VALVE8 citations72
US6592683B2Jul 15, 2003
Ti alloy surface treatment
FUJI VALVE3 citations61
US6511045B2Jan 28, 2003
Ti alloy poppet valve and a method of manufacturing the same
FUJI VALVE2 citations61
US5609128AMar 11, 1997
Tappet in an internal combustion engine and a method of manufacturing it
FUJI VALVE2 citations61
US6623568B2Sep 23, 2003
Ti alloy poppet valve and a method of manufacturing the same
FUJI VALVE1 citations51
US5724734AMar 10, 1998
Method of forming a tappet in an internal combustion engine
FUJI VALVE1 citations51