Fukuzumi; Tatsuo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Fukuzumi; Tatsuo.The latest application filed is for "spring steel with improved hardenability and pitting resistance".

Company Profile

0.6.6

Fukuzumi; Tatsuo - Tokyo JP
Fukuzumi, Tatsuo - Shinjuku-ku Tokyo
Fukuzumi; Tatsuo - Utsunomiya JP
Fukuzumi, Tatsuo - Utsunomiya-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Spring steel with improved hardenability and pitting resistance Grant 8,337,642 - Fukuzumi , et al. December 25, 2	2012-12-25
Spring Steel With Improved Hardenability And Pitting Resistance App 20120205013 - FUKUZUMI; Tatsuo ; et al.	2012-08-16
Spring steel with improved hardenability and pitting resistance Grant 8,197,614 - Fukuzumi , et al. June 12, 2	2012-06-12
Spring steel with improved hardenability and pitting resistance App 20110041962 - Fukuzumi; Tatsuo ; et al.	2011-02-24
Spring steel with improved hardenability and pitting resistance Grant 7,850,794 - Fukuzumi , et al. December 14, 2	2010-12-14
Sulfur-containing free-cutting steel for machine structural use Grant 7,014,812 - Fukuzumi , et al. March 21, 2	2006-03-21
Steel for spring being improved in quenching characteristics and resistance to pitting corrosion App 20050217766 - Fukuzumi, Tatsuo ; et al.	2005-10-06
Room-temperature-formable magnesium alloy with excellent corrosion resistance Grant 6,838,049 - Fukuzumi , et al. January 4, 2	2005-01-04
Room-temperature-formable Magnesium Alloy With Excellent Corrosion Resistance App 20040247480 - Fukuzumi, Tatsuo ; et al.	2004-12-09
Sulfur-containing free-cutting steel Grant 6,737,019 - Fukuzumi , et al. May 18, 2	2004-05-18
Sulfur-containing free-cutting steel for machine structural use App 20040003871 - Fukuzumi, Tatsuo ; et al.	2004-01-08
Sulfur-containing free-cutting steel App 20030175144 - Fukuzumi, Tatsuo ; et al.	2003-09-18

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