P

Inventor

KITAGAWA NOBUYUKI

JP18 patents
⚠️ This page may combine multiple inventors who share the name “KITAGAWA NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

17 patents
US6183846B1Feb 6, 2001

Coated hard metal material

SUMITOMO ELECTRIC INDUSTRIES63 citations96
US5871850AFeb 16, 1999

Coated hard metal material

SUMITOMO ELECTRIC INDUSTRIES67 citations96
US5228812AJul 20, 1993

Throw-away tipped drill

SUMITOMO ELECTRIC INDUSTRIES97 citations96
US6077596AJun 20, 2000

Coated hard tool having multi-layer coating

SUMITOMO ELECTRIC INDUSTRIES74 citations95
US6017172AJan 25, 2000

Ceramic insert for use with clamp type cutting tool

SUMITOMO ELECTRIC INDUSTRIES76 citations95
US5981049ANov 9, 1999

Coated tool and method of manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES66 citations95
US5624766AApr 29, 1997

Cemented carbide and coated cemented carbide for cutting tool

SUMITOMO ELECTRIC INDUSTRIES44 citations92
US5403373AApr 4, 1995

Hard sintered component and method of manufacturing such a component

SUMITOMO ELECTRIC INDUSTRIES24 citations92
US4971485ANov 20, 1990

Cemented carbide drill

SUMITOMO ELECTRIC INDUSTRIES47 citations92
US4769070ASep 6, 1988

High toughness cermet and a process for the production of the same

SUMITOMO ELECTRIC INDUSTRIES35 citations92
US5947651ASep 7, 1999

Indexable insert

SUMITOMO ELECTRIC INDUSTRIES49 citations91
US6057046AMay 2, 2000

Nitrogen-containing sintered alloy containing a hard phase

SUMITOMO ELECTRIC INDUSTRIES15 citations73
US5939651AAug 17, 1999

Titanium-based alloy

SUMITOMO ELECTRIC INDUSTRIES15 citations73
US5577424ANov 26, 1996

Nitrogen-containing sintered hard alloy

SUMITOMO ELECTRIC INDUSTRIES14 citations73
US5403374AApr 4, 1995

Watch exterior parts and manufacturing method thereof

SUMITOMO ELECTRIC INDUSTRIES16 citations70
US5603071AFeb 11, 1997

Method of preparing cemented carbide or cermet alloy

SUMITOMO ELECTRIC INDUSTRIES6 citations63
US5354534AOct 11, 1994

Method for manufacturing sintered parts

SUMITOMO ELECTRIC INDUSTRIES5 citations57

OZAKI KIMIHIRO

1 patent