Inventor · disambiguated record
Kouki Matsubara
Also filed as: MATSUBARA KOUKI
27 granted patents·1 pending application·208 citations·filing 2000–2022
95Inventor score
Files withSUMITOMO ELECTRIC HARDMETAL CORP23SUMITOMO ELEC HARDMETAL CORP3JAPAN SCIENCE & TECH AGENCY1JAPAN SCIENCE & TECH CORP1
Top patents by PatentIndex Score
28 records- 0192US11059112B2Milling toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2018·Granted Jul 13, 2021·6 cites·7 claims
- 0291USD954116SCutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted Jun 7, 2022·18 cites·1 claims
- 0391US9409240B2Indexable cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2013·Granted Aug 9, 2016·11 cites·5 claims
- 0490USD892876SCutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2019·Granted Aug 11, 2020·32 cites·1 claims
- 0589USD826664SCutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2017·Granted Aug 28, 2018·33 cites·1 claims
- 0688US10807173B2Cutting insert and milling toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2018·Granted Oct 20, 2020·4 cites·13 claims
- 0783US10213851B2Cutting tool and tool bodySUMITOMO ELECTRIC HARDMETAL CORP·Filed 2015·Granted Feb 26, 2019·3 cites·6 claims
- 0882US9884377B2Cutting insert and milling cutterSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2015·Granted Feb 6, 2018·3 cites·4 claims
- 0982US6492480B1Method of polymerizing a silalkylenesiloxaneJAPAN SCIENCE & TECH CORP·Filed 2000·Granted Dec 10, 2002·24 cites·5 claims
- 1081USD710411SCutting insertSUMITOMO ELEC HARDMETAL CORP·Filed 2014·Granted Aug 5, 2014·22 cites·1 claims
- 1178US10766077B2Cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2017·Granted Sep 8, 2020·2 cites·8 claims
- 1278USD879848SCutting insertSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2018·Granted Mar 31, 2020·17 cites·1 claims
- 1372US9333567B2Indexable cutting insert for millingSUMITOMO ELEC HARDMETAL CORP·Filed 2013·Granted May 10, 2016·3 cites·2 claims
- 1471USD708237SCutting insertSUMITOMO ELEC HARDMETAL CORP·Filed 2013·Granted Jul 1, 2014·14 cites·1 claims
- 1569USD1029060SDrill holderSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2022·Granted May 28, 2024·4 cites·1 claims
- 1666US9616506B2Cutting insert and face milling cutter using the sameSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2014·Granted Apr 11, 2017·2 cites·5 claims
- 1761US12280439B2Cutting tool body, cutting insert, and cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted Apr 22, 2025·0 cites·12 claims
- 1861US12134134B2Cutting insertSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted Nov 5, 2024·0 cites·8 claims
- 1959USD1029896SDrill headSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2022·Granted Jun 4, 2024·2 cites·1 claims
- 2058US12377474B2Drill head and drillSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2021·Granted Aug 5, 2025·0 cites·11 claims
- 2158US12036614B2Cutting insertSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted Jul 16, 2024·0 cites·6 claims
- 2257US11980951B2Cutting insertSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted May 14, 2024·0 cites·10 claims
- 2357USD807718SCutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2016·Granted Jan 16, 2018·7 cites·1 claims
- 2455US9630264B2Cutting insert for a milling cutterSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2014·Granted Apr 25, 2017·1 cites·4 claims
- 2551US12226840B2Rotary cutting tool cutting insert and rotary cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted Feb 18, 2025·0 cites·13 claims
- 2640US7425599B2Polyvinyl ethers having silicon-containing functional groups or atomic groups at the end and process for production thereofJAPAN SCIENCE & TECH AGENCY·Filed 2003·Granted Sep 16, 2008·0 cites·3 claims
- 2734US2017106455A1Cutting insert and face milling cutterSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2015·Application pending·0 cites
- 2832USD1029058SCutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2021·Granted May 28, 2024·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →