Inventor
GOTO MITSUHIRO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “GOTO MITSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
15 patentsUS5700551ADec 23, 1997
Layered film made of ultrafine particles and a hard composite material for tools possessing the film
SUMITOMO ELECTRIC INDUSTRIES162 citations99
US5882777AMar 16, 1999
Super hard composite material for tools
SUMITOMO ELECTRIC INDUSTRIES104 citations98
US5037704AAug 6, 1991
Hard sintered compact for a tool
SUMITOMO ELECTRIC INDUSTRIES142 citations98
US5853873ADec 29, 1998
Hard composite material for tools
SUMITOMO ELECTRIC INDUSTRIES75 citations96
US5712030AJan 27, 1998
Sintered body insert for cutting and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES156 citations96
US5092920AMar 3, 1992
Sintered body for high-accuracy working tools
SUMITOMO ELECTRIC INDUSTRIES22 citations92
US4911756AMar 27, 1990
Hard sintered compact for tools
SUMITOMO ELECTRIC INDUSTRIES51 citations92
US7524569B2Apr 28, 2009
Surface-coated high hardness material for tool
SUMITOMO ELECTRIC INDUSTRIES14 citations84
US5041399AAug 20, 1991
Hard sintered body for tools
SUMITOMO ELECTRIC INDUSTRIES20 citations82
US4693746ASep 15, 1987
Cubic boron nitride sintered compact for end mill
SUMITOMO ELECTRIC INDUSTRIES24 citations82
US5395700AMar 7, 1995
Hard sintered compact for tools
SUMITOMO ELECTRIC INDUSTRIES16 citations74
US5348808ASep 20, 1994
Hard sintered body cutting tool
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5034053AJul 23, 1991
Hard sintered compact for tools
SUMITOMO ELECTRIC INDUSTRIES18 citations74
US7794860B2Sep 14, 2010
Surface-coated high hardness material for tool
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US12576448B2Mar 17, 2026
Tool main body and method for producing tool main body
SUMITOMO ELECTRIC INDUSTRIES0 citations58