Inventor

KISU TAKAYUKI

JP3 patents

Patents

3 patents

US8845825B2Sep 30, 2014

High strength spring-use heat treated steel

HASHIMURA MASAYUKI3 citations59

US8734600B2May 27, 2014

High strength steel wire for spring

HASHIMURA MASAYUKI0 citations35

US10131973B2Nov 20, 2018

High strength spring steel and steel wire

HASHIMURA MASAYUKI0 citations34