Inventor

FUJIWARA TADAYOSHI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “FUJIWARA TADAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOBE SEIKO KK

1 patent

US4889567ADec 26, 1989

High strength and high toughness steel bar, rod and wire and the process of producing the same

KOBE SEIKO KK27 citations89

SHINKO WIRE CO LTD

1 patent

US7074282B2Jul 11, 2006

Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring

SHINKO WIRE CO LTD14 citations77

KOBE STEEL LTD

1 patent

US8007716B2Aug 30, 2011

Steel wire for high strength spring excellent in workability and high strength

KOBE STEEL LTD1 citations46