P

Inventor

FUKUZUMI TATSUO

JP10 patents
⚠️ This page may combine multiple inventors who share the name “FUKUZUMI TATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI STEEL MFG

6 patents
US5518685AMay 21, 1996

Steel for carburized gear

MITSUBISHI STEEL MFG15 citations73
US5118469AJun 2, 1992

High strength spring steel

MITSUBISHI STEEL MFG15 citations71
US5183634AFeb 2, 1993

High strength spring steel

MITSUBISHI STEEL MFG16 citations70
US6838049B2Jan 4, 2005

Room-temperature-formable magnesium alloy with excellent corrosion resistance

MITSUBISHI STEEL MFG7 citations68
US7850794B2Dec 14, 2010

Spring steel with improved hardenability and pitting resistance

MITSUBISHI STEEL MFG1 citations60
US6737019B2May 18, 2004

Sulfur-containing free-cutting steel

MITSUBISHI STEEL MFG4 citations60

FUKUZUMI TATSUO

2 patents
US8337642B2Dec 25, 2012

Spring steel with improved hardenability and pitting resistance

FUKUZUMI TATSUO0 citations44
US8197614B2Jun 12, 2012

Spring steel with improved hardenability and pitting resistance

FUKUZUMI TATSUO0 citations44

MITSUBISHI STEEL MURORAN INC

1 patent
US6322747B1Nov 27, 2001

High-strength spring steel

MITSUBISHI STEEL MURORAN INC19 citations84

YOSHIMURA TECHNICAL OFFICE INC

1 patent
US7014812B2Mar 21, 2006

Sulfur-containing free-cutting steel for machine structural use

YOSHIMURA TECHNICAL OFFICE INC4 citations54