Inventor
OKAJIMA HIROSHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OKAJIMA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
9 patentsUS7175404B2Feb 13, 2007
Composite powder filling method and composite powder filling device, and composite powder molding method and composite powder molding device
TOYOTA MOTOR CO LTD39 citations92
US6903641B2Jun 7, 2005
Dust core and method for producing the same
TOYOTA MOTOR CO LTD30 citations91
US5881357AMar 9, 1999
Method and apparatus for filling powder
TOYOTA MOTOR CO LTD21 citations89
US5512080AApr 30, 1996
Fe-based alloy powder adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the same
TOYOTA MOTOR CO LTD14 citations80
US7083760B2Aug 1, 2006
Method of forming a powder compact
TOYOTA MOTOR CO LTD7 citations71
US5503654AApr 2, 1996
Fe-based alloy powder and adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the same
TOYOTA MOTOR CO LTD6 citations71
US5489324AFeb 6, 1996
Fe-based sintered alloy having wear resistance
TOYOTA MOTOR CO LTD10 citations71
US7749298B2Jul 6, 2010
Iron-based sintered alloy and manufacturing method thereof
TOYOTA MOTOR CO LTD2 citations62
US5761592AJun 2, 1998
Process for producing a sliding member and a process for producing a composite layer member
TOYOTA MOTOR CO LTD0 citations41