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Hirokazu AKATSUKA
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Control rod drive mechanism
Patent number
10,242,759
Issue date
Mar 26, 2019
Hitachi - GE Nuclear Energy, Ltd.
Takahiro Tsuchiya
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Gap expanding method of ball screw and fine motion control rod driv...
Patent number
9,822,859
Issue date
Nov 21, 2017
Hitachi - GE Nuclear Energy, Ltd.
Yuuichi Matsushita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Gap expanding method of ball screw and fine motion control rod driv...
Patent number
9,695,918
Issue date
Jul 4, 2017
Hitachi - GE Nuclear Energy, Ltd.
Yuuichi Matsushita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Fine motion control rod drive mechanism handling apparatus and meth...
Patent number
8,915,161
Issue date
Dec 23, 2014
Hitachi-GE Nuclear Energy, Ltd.
Hirokazu Akatsuka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of handling control rod and control rod handling apparatus
Patent number
8,842,795
Issue date
Sep 23, 2014
Hitachi-GE Nuclear Energy, Ltd.
Hirokazu Akatsuka
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Patents Applications
last 30 patents
Information
Patent Application
Gap Expanding Method of Ball Screw and Fine Motion Control Rod Driv...
Publication number
20170268642
Publication date
Sep 21, 2017
Hitachi-GE NUCLEAR ENERGY, LTD.
Yuuichi MATSUSHITA
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Control Rod Drive Mechanism
Publication number
20160358677
Publication date
Dec 8, 2016
Hitachi-GE NUCLEAR ENERGY, LTD.
Yasuhiko FURUTA
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
Control Rod Drive Mechanism
Publication number
20150255178
Publication date
Sep 10, 2015
Hitachi-GE NUCLEAR ENERGY, LTD.
Takahiro TSUCHIYA
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
Gap Expanding Method of Ball Screw and Fine Motion Control Rod Driv...
Publication number
20140230585
Publication date
Aug 21, 2014
Hitachi-GE NUCLEAR ENERGY, LTD.
Yuuichi MATSUSHITA
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
FINE MOTION CONTROL ROD DRIVE MECHANISM HANDLING APPARATUS AND METH...
Publication number
20110239797
Publication date
Oct 6, 2011
Hitachi-GE Nuclear Energy, Ltd.
Hirokazu AKATSUKA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD OF HANDLING CONTROL ROD AND CONTROL ROD HANDLING APPARATUS
Publication number
20110064180
Publication date
Mar 17, 2011
Hitachi-GE Nuclear Energy, Ltd.
Hirokazu AKATSUKA
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
CONTROL ROD POSITION DETECTOR AND CONTROL ROD DRIVE MECHANISM
Publication number
20090185651
Publication date
Jul 23, 2009
Hirokazu Akatsuka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...