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Taiji Hashimoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Bolt fastening structure and turbo-machine using same
    • Patent number 11,280,223
    • Issue date Mar 22, 2022
    • Hitachi Industrial Products, Ltd.
    • Youhei Tanno
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Centrifugal steam compressor and shaft seal system used with same
    • Patent number 9,644,636
    • Issue date May 9, 2017
    • Hitachi, Ltd.
    • Taiji Hashimoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Shaft-seal device for high-temperature fluid
    • Patent number 8,770,589
    • Issue date Jul 8, 2014
    • Nippon Pillar Packaging Co., Ltd.
    • Taiji Hashimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    End wall closure apparatus
    • Patent number 8,631,961
    • Issue date Jan 21, 2014
    • Hitachi, Ltd.
    • Tomohiro Naruse
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Laser narrow groove welding apparatus and welding method
    • Patent number 8,481,885
    • Issue date Jul 9, 2013
    • Hitachi Plant Technologies, Ltd.
    • Takeshi Tsukamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pump device
    • Patent number 7,530,781
    • Issue date May 12, 2009
    • Hitchi Industries Co., Ltd.
    • Takaki Fukuchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump
    • Patent number 6,514,034
    • Issue date Feb 4, 2003
    • Hitachi, Ltd.
    • Tomoyoshi Okamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor with scavenging port
    • Patent number 4,770,615
    • Issue date Sep 13, 1988
    • Hitachi, Ltd.
    • Mitsuru Fujiwara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Bolt Fastening Structure and Turbo-Machine Using Same
    • Publication number 20190055855
    • Publication date Feb 21, 2019
    • Hitachi, Ltd
    • Youhei TANNO
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    CENTRIFUGAL STEAM COMPRESSOR AND SHAFT SEAL SYSTEM USED WITH SAME
    • Publication number 20150330401
    • Publication date Nov 19, 2015
    • Taiji HASHIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Shaft-Seal Device for High-Temperature Fluid
    • Publication number 20120326394
    • Publication date Dec 27, 2012
    • Nippon Pillar Packing Co., Ltd.
    • Taiji Hashimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    LASER NARROW GROOVE WELDING APPARATUS AND WELDING METHOD
    • Publication number 20100326969
    • Publication date Dec 30, 2010
    • Hitachi Plant Technologies, Ltd.
    • Takeshi TSUKAMOTO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    END WALL CLOSURE APPARATUS
    • Publication number 20100270308
    • Publication date Oct 28, 2010
    • Hitachi Plant Technologies, Ltd.
    • Tomohiro NARUSE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump device
    • Publication number 20050254943
    • Publication date Nov 17, 2005
    • Hitachi Industries Co., Ltd.
    • Takaki Fukuchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump
    • Publication number 20020164245
    • Publication date Nov 7, 2002
    • Tomoyoshi Okamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...