Inventor
OHTSUBO HIROSHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “OHTSUBO HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI STEEL CO
11 patentsUS5338508AAug 16, 1994
Alloy steel powders for injection molding use, their compounds and a method for making sintered parts from the same
KAWASAKI STEEL CO65 citations94
US4964907AOct 23, 1990
Sintered bodies and production process thereof
KAWASAKI STEEL CO32 citations92
US5939018AAug 17, 1999
Martensitic stainless steels for seamless steel pipe
KAWASAKI STEEL CO19 citations91
US4971755ANov 20, 1990
Method for preparing powder metallurgical sintered product
KAWASAKI STEEL CO33 citations91
US4533806AAug 6, 1985
Method of manufacturing bimetallic tubes
KAWASAKI STEEL CO33 citations91
US5108492AApr 28, 1992
Corrosion-resistant sintered alloy steels and method for making same
KAWASAKI STEEL CO25 citations90
US5067979ANov 26, 1991
Sintered bodies and production process thereof
KAWASAKI STEEL CO14 citations73
US5458670AOct 17, 1995
Iron powder and mixed powder for powder metallurgy as well as method of producing iron powder
KAWASAKI STEEL CO10 citations72
US4604887AAug 12, 1986
Duplex stainless steel seamless pipe and a method for producing the same
KAWASAKI STEEL CO9 citations72
US5380476AJan 10, 1995
Method of debinding for injection molded objects
KAWASAKI STEEL CO18 citations71
US5507853AApr 16, 1996
Iron powder and mixed powder for powder metallurgy as well as method of producing iron powder
KAWASAKI STEEL CO7 citations70
FUKUDA TOMOYUKI
4 patentsUS8614119B2Dec 24, 2013
Semiconductor device with heat spreader
FUKUDA TOMOYUKI4 citations72
US8614505B2Dec 24, 2013
Semiconductor device with heat spreader
FUKUDA TOMOYUKI1 citations61
US8564108B2Oct 22, 2013
Semiconductor device with heat spreader
FUKUDA TOMOYUKI1 citations61
US8278743B2Oct 2, 2012
Semiconductor device with heat spreader
FUKUDA TOMOYUKI3 citations61