Inventor

NAKANO HIKARI

JP4 patents

Patents

4 patents

US11300233B2Apr 12, 2022

Threaded connection for steel pipe

NIPPON STEEL CORP2 citations69

US11892106B2Feb 6, 2024

Threaded connection for steel pipe

NIPPON STEEL CORP1 citations59

US11753878B2Sep 12, 2023

Threaded connection for steel pipe

NIPPON STEEL CORP1 citations59

US11774014B2Oct 3, 2023

Threaded connection for steel pipes

NIPPON STEEL CORP0 citations48