Inventor · disambiguated record
Koji Watari
Also filed as: WATARI KOJI
14 granted patents·9 pending applications·179 citations·filing 1992–2018
92Inventor score
Files withSUMITOMO METAL IND7KANECHIKA YUKIHIRO2NAT INST OF ADVANCED IND SCIEN2NIPPON STEEL & SUMITOMO METAL CORP2AGENCY IND SCIENCE TECHN1
Top patents by PatentIndex Score
23 records- 0189US6475305B1Machine structural steel productSUMITOMO METAL IND·Filed 2000·Granted Nov 5, 2002·24 cites·12 claims
- 0285US5922145ASteel products excellent in machinability and machined steel partsSUMITOMO METAL IND·Filed 1998·Granted Jul 13, 1999·38 cites·23 claims
- 0379US6838048B2Steel for machine structural use and method of producing sameSUMITOMO METAL IND·Filed 2002·Granted Jan 4, 2005·12 cites·8 claims
- 0473US6797231B2Steel for machine structural useSUMITOMO METAL IND·Filed 2002·Granted Sep 28, 2004·8 cites·4 claims
- 0573US6083455ASteels, steel products for nitriding, nitrided steel partsSUMITOMO METAL IND·Filed 1998·Granted Jul 4, 2000·41 cites·13 claims
- 0668US7267808B2Aluminum nitride powder, method for producing the same and use thereofAIST·Filed 2005·Granted Sep 11, 2007·3 cites·15 claims
- 0768US6514476B1Anisotropically shaped SrTiO3 single crystal particlesPENN STATE RES FOUND·Filed 2000·Granted Feb 4, 2003·9 cites·21 claims
- 0857US5902542AMethod of producing silicon nitride ceramics having thermal high conductivityAGENCY IND SCIENCE TECHN·Filed 1996·Granted May 11, 1999·16 cites·4 claims
- 0955US5985802AHigh-performance lubricant oilFiled 1998·Granted Nov 16, 1999·16 cites·18 claims
- 1053US11345982B2Shaft partNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted May 31, 2022·0 cites·3 claims
- 1153US2020216937A1Steel material excellent in rolling fatigue propertyNIPPON STEEL CORP·Filed 2018·Application pending·0 cites
- 1247US11421727B2Carburized shaft partNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Aug 23, 2022·0 cites·5 claims
- 1346US2005025658A1Low-carbon free cutting steelSUMITOMO METAL IND·Filed 2004·Application pending·0 cites
- 1445US6663828B2Sintering method and apparatus using centrifugal forceNAT INST OF ADVANCED IND SCIEN·Filed 2001·Granted Dec 16, 2003·3 cites·12 claims
- 1544US2004037731A1Cast steel and casting moldFiled 2003·Application pending·0 cites
- 1643US2003152476A1Low-carbon free cutting steelSUMITOMO METAL IND·Filed 2003·Application pending·0 cites
- 1742US2014182414A1Steel for induction hardening and crankshaft manufactured by using the sameKIM KISUNG·Filed 2012·Application pending·0 cites
- 1841US5217305AMethod of evaluating ceramicsSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jun 8, 1993·9 cites·6 claims
- 1941US2009173437A1Methods of Joining Ceramics and Ceramic Joined ArticlesKANECHIKA YUKIHIRO·Filed 2007·Application pending·0 cites
- 2041US2009155625A1Methods of Joining Aluminum Nitride Sinters and Aluminum Nitride Joined ArticlesKANECHIKA YUKIHIRO·Filed 2007·Application pending·0 cites
- 2137US7459178B2Production of oriented material or composite material through centrifugal burningNAT INST OF ADVANCED IND SCIEN·Filed 2002·Granted Dec 2, 2008·0 cites·5 claims
- 2235US2004247855A1Grading porous structure and its processNAT INST OF ADV IND SCI AND TE·Filed 2003·Application pending·0 cites
- 2329US2006055092A1Centrifugal sintering systemSINTO V CERAX LTD·Filed 2003·Application pending·0 cites
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