Inventor

MISUMI SHUHEI

JP7 patents

Patents

7 patents

USD894978SSep 1, 2020

Drill bit

SUMITOMO ELECTRIC HARDMETAL CORP27 citations92

USD1092579SSep 9, 2025

Cutting tool

SUMITOMO ELECTRIC HARDMETAL CORP1 citations70

US11167357B2Nov 9, 2021

Surface-coated cutting tool

SUMITOMO ELECTRIC HARDMETAL CORP0 citations61

USD1107768SDec 30, 2025

Cutting tool

SUMITOMO ELECTRIC HARDMETAL CORP0 citations58

US11872636B2Jan 16, 2024

Surface-coated cutting tool and method for manufacturing same

SUMITOMO ELECTRIC HARDMETAL CORP0 citations50

US11229959B2Jan 25, 2022

Drill

SUMITOMO ELECTRIC HARDMETAL CORP0 citations50

US12350745B2Jul 8, 2025

Cutting tool

SUMITOMO ELECTRIC HARDMETAL CORP0 citations47