Hiroaki Arai

Person

  • Osaka, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    EDDY CURRENT FLAW DETECTION DEVICE

    • Publication number 20200292500
    • Publication date Sep 17, 2020
    • Hitachi Zosen Corporation
    • Hiroaki ARAI
    • G01 - MEASURING TESTING
  • Information Patent Application

    EDDY CURRENT FLAW DETECTION DEVICE AND EDDY CURRENT FLAW DETECTION...

    • Publication number 20200284761
    • Publication date Sep 10, 2020
    • Hitachi Zosen Corporation
    • Hiroaki ARAI
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Application

    EDDY CURRENT FLAW DETECTION DEVICE

    • Publication number 20200278321
    • Publication date Sep 3, 2020
    • Hitachi Zosen Corporation
    • Hiroaki ARAI
    • G01 - MEASURING TESTING
  • Information Patent Application

    CONCRETE CASK

    • Publication number 20200035371
    • Publication date Jan 30, 2020
    • HITACHI ZOSEN CORPORATION
    • Hiroaki ARAI
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Application

    CONTAINMENT CASK FOR RADIOACTIVE MATERIAL

    • Publication number 20160284431
    • Publication date Sep 29, 2016
    • Hitachi Zosen Corporation
    • Hiroaki ARAI
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Application

    PIPE

    • Publication number 20150300535
    • Publication date Oct 22, 2015
    • Hitachi Zosen Corporation
    • Donghui MA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PIPE AND METHOD FOR MANUFACTURING PIPE

    • Publication number 20150075663
    • Publication date Mar 19, 2015
    • Hitachi Zosen Corporation
    • Donghui Ma
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    DOOR STRUCTURE FOR FLOATING FLAP GATE

    • Publication number 20140193202
    • Publication date Jul 10, 2014
    • HITACHI ZOSEN CORPORATION
    • Hiroaki Arai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Blasting apparatus, blasting method and retainer member used for th...

    • Publication number 20010042485
    • Publication date Nov 22, 2001
    • Hitachi Zosen Corporation
    • Hiroaki Arai
    • F42 - AMMUNITION BLASTING