Inventor

NISHI KENTA

JP3 patents

Patents

3 patents

USD1029060SMay 28, 2024

Drill holder

SUMITOMO ELECTRIC HARDMETAL CORP4 citations70

USD1029896SJun 4, 2024

Drill head

SUMITOMO ELECTRIC HARDMETAL CORP2 citations68

US12377474B2Aug 5, 2025

Drill head and drill

SUMITOMO ELECTRIC HARDMETAL CORP0 citations47