Inventor
MATSUBARA KOUKI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “MATSUBARA KOUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC HARDMETAL CORP
22 patentsUSD826664SAug 28, 2018
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP33 citations94
USD954116SJun 7, 2022
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP18 citations93
USD892876SAug 11, 2020
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP32 citations93
USD879848SMar 31, 2020
Cutting insert
SUMITOMO ELECTRIC HARDMETAL CORP17 citations93
US9409240B2Aug 9, 2016
Indexable cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP11 citations84
USD807718SJan 16, 2018
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP7 citations83
US11059112B2Jul 13, 2021
Milling tool
SUMITOMO ELECTRIC HARDMETAL CORP6 citations72
US10807173B2Oct 20, 2020
Cutting insert and milling tool
SUMITOMO ELECTRIC HARDMETAL CORP4 citations72
US10213851B2Feb 26, 2019
Cutting tool and tool body
SUMITOMO ELECTRIC HARDMETAL CORP3 citations72
US9884377B2Feb 6, 2018
Cutting insert and milling cutter
SUMITOMO ELECTRIC HARDMETAL CORP3 citations72
US9616506B2Apr 11, 2017
Cutting insert and face milling cutter using the same
SUMITOMO ELECTRIC HARDMETAL CORP2 citations72
US10766077B2Sep 8, 2020
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP2 citations71
USD1029060SMay 28, 2024
Drill holder
SUMITOMO ELECTRIC HARDMETAL CORP4 citations70
USD1029896SJun 4, 2024
Drill head
SUMITOMO ELECTRIC HARDMETAL CORP2 citations68
USD1029058SMay 28, 2024
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations56
US12280439B2Apr 22, 2025
Cutting tool body, cutting insert, and cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations51
US12134134B2Nov 5, 2024
Cutting insert
SUMITOMO ELECTRIC HARDMETAL CORP0 citations51
US12036614B2Jul 16, 2024
Cutting insert
SUMITOMO ELECTRIC HARDMETAL CORP0 citations51
US11980951B2May 14, 2024
Cutting insert
SUMITOMO ELECTRIC HARDMETAL CORP0 citations51
US9630264B2Apr 25, 2017
Cutting insert for a milling cutter
SUMITOMO ELECTRIC HARDMETAL CORP1 citations51
US12377474B2Aug 5, 2025
Drill head and drill
SUMITOMO ELECTRIC HARDMETAL CORP0 citations47
US12226840B2Feb 18, 2025
Rotary cutting tool cutting insert and rotary cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations45