Inventor
YOSHIMURA HIRONORI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIMURA HIRONORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI METAL CORP
11 patentsUS4642003AFeb 10, 1987
Rotary cutting tool of cemented carbide
MITSUBISHI METAL CORP88 citations96
US5068148ANov 26, 1991
Diamond-coated tool member, substrate thereof and method for producing same
MITSUBISHI METAL CORP82 citations95
US4731296AMar 15, 1988
Diamond-coated tungsten carbide-base sintered hard alloy material for insert of a cutting tool
MITSUBISHI METAL CORP105 citations93
US4587174AMay 6, 1986
Tungsten cermet
MITSUBISHI METAL CORP54 citations92
US5066553ANov 19, 1991
Surface-coated tool member of tungsten carbide based cemented carbide
MITSUBISHI METAL CORP46 citations91
US4447263AMay 8, 1984
Blade member of cermet having surface reaction layer and process for producing same
MITSUBISHI METAL CORP40 citations89
US4636252AJan 13, 1987
Method of manufacturing a high toughness cermet for use in cutting tools
MITSUBISHI METAL CORP51 citations87
US5009705AApr 23, 1991
Microdrill bit
MITSUBISHI METAL CORP29 citations86
US4935057AJun 19, 1990
Cermet and process of producing same
MITSUBISHI METAL CORP12 citations73
US4781989ANov 1, 1988
Surface-coated cutting member
MITSUBISHI METAL CORP8 citations71
US4587095AMay 6, 1986
Super heatresistant cermet and process of producing the same
MITSUBISHI METAL CORP13 citations70
MITSUBISHI MATERIALS CORP
10 patentsUS5374471ADec 20, 1994
Multilayer coated hard alloy cutting tool
MITSUBISHI MATERIALS CORP60 citations96
US5372873ADec 13, 1994
Multilayer coated hard alloy cutting tool
MITSUBISHI MATERIALS CORP63 citations95
US5920760AJul 6, 1999
Coated hard alloy blade member
MITSUBISHI MATERIALS CORP59 citations94
US5681651AOct 28, 1997
Multilayer coated hard alloy cutting tool
MITSUBISHI MATERIALS CORP33 citations92
US5447549ASep 5, 1995
Hard alloy
MITSUBISHI MATERIALS CORP43 citations92
US5576093ANov 19, 1996
Multilayer coated hard alloy cutting tool
MITSUBISHI MATERIALS CORP34 citations91
US5436071AJul 25, 1995
Cermet cutting tool and process for producing the same
MITSUBISHI MATERIALS CORP37 citations91
US5296016AMar 22, 1994
Surface coated cermet blade member
MITSUBISHI MATERIALS CORP43 citations91
US6093479AJul 25, 2000
Coated hard alloy blade member
MITSUBISHI MATERIALS CORP31 citations90
US5589223ADec 31, 1996
Process for producing cermet cutting tools having both longitudinal and granular crystal structures
MITSUBISHI MATERIALS CORP17 citations81