Inventor
YAMAMOTO TAKEHISA
US13 patents
Patents
13 patentsUS5599493AFeb 4, 1997
Method of producing silicon nitride ceramic component
SUMITOMO ELECTRIC INDUSTRIES94 citations96
US5502011AMar 26, 1996
Silicon nitride sintered body
SUMITOMO ELECTRIC INDUSTRIES21 citations92
US5369065ANov 29, 1994
Silicon nitride sintered body and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US5173458ADec 22, 1992
Silicon nitride sintered body and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES22 citations90
US5564966AOct 15, 1996
Grind-machining method of ceramic materials
SUMITOMO ELECTRIC INDUSTRIES18 citations82
US5275772AJan 4, 1994
Silicon nitride sintered body and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES11 citations74
US5204297AApr 20, 1993
Silicon nitride sintered body and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5582215ADec 10, 1996
Ceramic die for cutting and shaping lead frames and method of cleaning the same
SUMITOMO ELECTRIC INDUSTRIES13 citations73
US5424256AJun 13, 1995
Silicon nitride sintered body
SUMITOMO ELECTRIC INDUSTRIES17 citations73
US5346869ASep 13, 1994
Sintered silicon nitride bodies suitable for use as high impact materials
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US5275986AJan 4, 1994
Silicon nitride sintered body
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US11147156B2Oct 12, 2021
Composite member, heat radiation member, semiconductor device, and method of manufacturing composite member
SUMITOMO ELECTRIC INDUSTRIES0 citations57
US5358797AOct 25, 1994
Adjusting shim
SUMITOMO ELECTRIC INDUSTRIES1 citations52