Inventor · disambiguated record
Katsumi Okamura
Also filed as: OKAMURA KATSUMI
72 granted patents·26 pending applications·207 citations·filing 2004–2022
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES49SUMITOMO ELECTRIC HARDMETAL CORP23OKAMURA KATSUMI10SUMITOMO ELEC HARDMETAL CORP10KUKINO SATORU2
Top patents by PatentIndex Score
98 records- 0192US10010940B2Cubic boron nitride cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2014·Granted Jul 3, 2018·14 cites·5 claims
- 0292US7765902B2Cutting tool for high-quality high-efficiency machining and cutting method using the sameSUMITOMO ELEC HARDMETAL CORP·Filed 2006·Granted Aug 3, 2010·30 cites·17 claims
- 0388US7771847B2cBN sintered body for high surface integrity machining, cBN sintered body cutting tool, and cutting method using the sameSUMITOMO ELEC HARDMETAL CORP·Filed 2006·Granted Aug 10, 2010·12 cites·10 claims
- 0487US11208358B2Cubic boron nitride sintered body and cutting tool including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Dec 28, 2021·1 cites·6 claims
- 0586US11959156B2Cubic boron nitride sintered material and cutting tool including sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Apr 16, 2024·1 cites·6 claims
- 0686US8993132B2Cubic boron nitride sintered body toolOKAMURA KATSUMI·Filed 2011·Granted Mar 31, 2015·6 cites·3 claims
- 0785US8124553B2Composite sintered bodyOKAMURA KATSUMI·Filed 2008·Granted Feb 28, 2012·6 cites·6 claims
- 0884US11352298B2Cubic boron nitride sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jun 7, 2022·1 cites·6 claims
- 0984US9856175B2Sintered compact and cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2016·Granted Jan 2, 2018·3 cites·9 claims
- 1083US11155901B2Method of producing cubic boron nitride sintered material, cubic boron nitride sintered material, and cutting tool including cubic boron nitride sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Oct 26, 2021·1 cites·5 claims
- 1183US9346716B2Tool made of cubic boron nitride sintered bodyOKAMURA KATSUMI·Filed 2010·Granted May 24, 2016·5 cites·8 claims
- 1282USD664168SCutting insertOKAMURA KATSUMI·Filed 2011·Granted Jul 24, 2012·28 cites·1 claims
- 1382US8178220B2Surface-covered cubic boron nitride sintered body tool and method of manufacturing the sameOKAMURA KATSUMI·Filed 2005·Granted May 15, 2012·6 cites·15 claims
- 1481US9988314B2Sintered compact and cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2016·Granted Jun 5, 2018·2 cites·8 claims
- 1581US9120707B2Cubic boron nitride sintered body and cubic boron nitride sintered body toolMATSUDA YUSUKE·Filed 2011·Granted Sep 1, 2015·5 cites·7 claims
- 1681US8962505B2Sintered cubic boron nitride compact and sintered cubic boron nitride compact toolOKAMURA KATSUMI·Filed 2011·Granted Feb 24, 2015·4 cites·4 claims
- 1781US7758976B2cBN sintered body for high surface integrity machining and cBN sintered body cutting toolSUMITOMO ELEC HARDMETAL CORP·Filed 2006·Granted Jul 20, 2010·11 cites·10 claims
- 1878US10160083B2Method for manufacturing cubic boron nitride cutting tool and cubic boron nitride cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2013·Granted Dec 25, 2018·5 cites·4 claims
- 1977US9522850B2Method for manufacturing cubic boron nitride sintered body, and cubic boron nitride sintered bodySUMITOMO ELECTRIC HARDMETAL CORP·Filed 2014·Granted Dec 20, 2016·1 cites·10 claims
- 2077US7794860B2Surface-coated high hardness material for toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Granted Sep 14, 2010·4 cites·6 claims
- 2177US7081424B2High-strength, highly thermally conductive sintered compact of cubic boron nitrideSUMITOMO ELEC HARDMETAL CORP·Filed 2004·Granted Jul 25, 2006·15 cites·8 claims
- 2276US10717134B2Cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2016·Granted Jul 21, 2020·1 cites·12 claims
- 2375US12054813B2Method of producing cubic boron nitride sintered material, cubic boron nitride sintered material, and cutting tool including cubic boron nitride sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Aug 6, 2024·0 cites·7 claims
- 2475US11795113B2Cubic boron nitride sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Oct 24, 2023·0 cites·16 claims
- 2574US8871340B2Surface-coated sintered bodySETOYAMA MAKOTO·Filed 2011·Granted Oct 28, 2014·2 cites·10 claims
- 2673US7524569B2Surface-coated high hardness material for toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Apr 28, 2009·14 cites·7 claims
- 2772US9988315B2Sintered body and cutting tool including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Jun 5, 2018·1 cites·11 claims
- 2871US11858049B2Cemented carbide and tool containing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Jan 2, 2024·0 cites·8 claims
- 2971US9649692B2Sintered cubic boron nitride compact toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2013·Granted May 16, 2017·3 cites·4 claims
- 3070US10030299B2Surface-coated boron nitride sintered body toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2014·Granted Jul 24, 2018·2 cites·11 claims
- 3170USD787578SThrow-away tip for metal cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2014·Granted May 23, 2017·14 cites·1 claims
- 3269US11786975B2Cutting tool and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Oct 17, 2023·0 cites·9 claims
- 3368US11396482B2Cubic boron nitride sintered material, cutting tool including cubic boron nitride sintered material, and method of producing cubic boron nitride sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jul 26, 2022·0 cites·4 claims
- 3467US11951550B2Cemented carbide and tool containing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Apr 9, 2024·0 cites·7 claims
- 3567US9956619B2Cutting insert and cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2013·Granted May 1, 2018·2 cites·7 claims
- 3667US8822361B2Cubic boron nitride sintered body toolOKAMURA KATSUMI·Filed 2011·Granted Sep 2, 2014·2 cites·1 claims
- 3764US10625349B2Cubic boron nitride cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2018·Granted Apr 21, 2020·0 cites·7 claims
- 3863US11680022B2Composite sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jun 20, 2023·0 cites·6 claims
- 3962US2022153651A1Cubic boron nitride sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Application pending·0 cites
- 4061US11920222B2Composite sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Mar 5, 2024·0 cites·11 claims
- 4161US11752559B2Cubic boron nitride sintered material and cutting tool including sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Sep 12, 2023·0 cites·20 claims
- 4261US11339096B1Tungsten carbide powderSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted May 24, 2022·0 cites·4 claims
- 4361US11161790B2Cubic boron nitride sintered materialSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2019·Granted Nov 2, 2021·0 cites·8 claims
- 4461US11045872B2Alloy powder, sintered material, method for producing alloy powder, and method for producing sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Jun 29, 2021·0 cites·11 claims
- 4561US2024263283A1Cemented carbideSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 4661US2025034682A1Cemented carbideSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 4760US12163207B2Cubic boron nitride sintered material and cutting tool including sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Dec 10, 2024·0 cites·14 claims
- 4860US11396451B2Tungsten carbide powder and production method thereforSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jul 26, 2022·0 cites·4 claims
- 4960US2024295011A1Cemented carbide and cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 5059US11383300B2Sintered material and cutting tool including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jul 12, 2022·0 cites·4 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →