Inventor · disambiguated record
Kazuo Yamagata
Also filed as: YAMAGATA KAZUO
14 granted patents·3 pending applications·598 citations·filing 1990–2019
94Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES9KOIKE SACHIKO2SUMITOMO ELECTRIC HARDMETAL CORP2OGAWA AKIHIRO1SEIKISUI CHEMICAL CO LTD1
Top patents by PatentIndex Score
17 records- 0198US5503912AUltra-thin film laminateSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Apr 2, 1996·173 cites·2 claims
- 0297US7090914B2Coated cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Aug 15, 2006·52 cites·20 claims
- 0395US7060345B2Coated toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Jun 13, 2006·72 cites·16 claims
- 0491US5478634AUltra-thin film laminateSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 26, 1995·75 cites·9 claims
- 0585US6077596ACoated hard tool having multi-layer coatingSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jun 20, 2000·74 cites·20 claims
- 0684US6187421B1Coated tool of cemented carbideSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Feb 13, 2001·62 cites·34 claims
- 0782US5624766ACemented carbide and coated cemented carbide for cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Apr 29, 1997·44 cites·13 claims
- 0878US8685530B2Surface-coated cutting toolKOIKE SACHIKO·Filed 2010·Granted Apr 1, 2014·2 cites·20 claims
- 0975US11591695B2Surface coated member and method for manufacturing sameSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2019·Granted Feb 28, 2023·0 cites·6 claims
- 1073US6984445B1Multi-layer sheet, a manufacturing method of the multi-layer sheet and a molding method of the multi-layer sheetSEIKISUI CHEMICAL CO LTD·Filed 2000·Granted Jan 10, 2006·14 cites·12 claims
- 1173US6592726B1Vacuum arc evaporation method, vacuum arc evaporation system, and rotary cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 15, 2003·11 cites·10 claims
- 1266US2015345013A1Surface coated member and method for manufacturing sameSUMITOMO ELEC HARDMETAL CORP·Filed 2013·Application pending·0 cites
- 1361US5266389ASurface-coated hard material for cutting tools or wear resistance toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Nov 30, 1993·19 cites·1 claims
- 1457US9777367B2Surface coated member and method for manufacturing sameSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2013·Granted Oct 3, 2017·0 cites·4 claims
- 1549US8685531B2Surface-coated cutting toolKOIKE SACHIKO·Filed 2010·Granted Apr 1, 2014·0 cites·20 claims
- 1639US2002187370A1Coated cutting toolFiled 2001·Application pending·0 cites
- 1738US2013209892A1Propylene resin microporous film, battery separator, battery, and method for producing propylene resin microporous filmOGAWA AKIHIRO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →