Nakashima; Kiyotaka

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nakashima; Kiyotaka.The latest application filed is for "high strength thick steel plate superior in crack arrestability".

Company Profile

0.5.5

Nakashima; Kiyotaka - Oita JP
Nakashima; Kiyotaka - Tokyo JP
Nakashima; Kiyotaka - Futtsu JP
Nakashima; Kiyotaka - Chiba JP
Nakashima; Kiyotaka - Futtsu-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
Boom and arm member of construction machine excellent in weld zone fatigue strength and method of improvement of its fatigue strength Grant 8,146,794 - Nose , et al. April 3, 2	2012-04-03
High strength thick steel plate superior in crack arrestability Grant 7,914,629 - Nakashima , et al. March 29, 2	2011-03-29
Method of production of steel product with nanocrystallized surface layer Grant 7,857,918 - Ishikawa , et al. December 28, 2	2010-12-28
Method of improvement of toughness of heat affected zone at welded joint of steel plate Grant 7,754,033 - Ishikawa , et al. July 13, 2	2010-07-13
Circularly welded joint featuring excellent fatigue strength, method of producing circularly welded joint and welded structure Grant 7,695,825 - Nakashima , et al. April 13, 2	2010-04-13
High Strength Thick Steel Plate Superior In Crack Arrestability App 20090092515 - Nakashima; Kiyotaka ; et al.	2009-04-09
Boom and Arm Member of Construction Machine Excellent in Weld Zone Fatigue Strength and Method of Improvement of Its Fatigue Strength App 20080292443 - Nose; Tetsuro ; et al.	2008-11-27
Circularly welded joint featuring excellent fatigue strength, method of producing circularly welded joint and welded structure App 20070134059 - Nakashima; Kiyotaka ; et al.	2007-06-14
Method of increasing toughness of heat-affected part of steel product welded joint App 20060137777 - Ishikawa; Tadashi ; et al.	2006-06-29
Method of manufacturing metal product having nano-crystallized surface layer App 20060130942 - Ishikawa; Tadashi ; et al.	2006-06-22

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