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Eiji Okumachi

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Patents Grantslast 30 patents

  • 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

    Non-contact type mechanical seal
    • Patent number 6,431,551
    • Issue date Aug 13, 2002
    • Nippon Pillar Packing Co., Ltd.
    • Toshihiko Fuse
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shaft seal apparatus
    • Patent number 6,325,378
    • Issue date Dec 4, 2001
    • Nippon Pillar Packing Co., Ltd.
    • Eiji Okumachi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Non-contacting shaft sealing device
    • Patent number 5,664,787
    • Issue date Sep 9, 1997
    • Nippon Pillar Packing Co., Ltd.
    • Toshihiko Fuse
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Non-contacting shaft sealing device
    • Patent number 5,529,318
    • Issue date Jun 25, 1996
    • Nippon Pillar Packing Co., Ltd.
    • Toshihiko Fuse
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Non-contacting shaft sealing device with grooved face pattern
    • Patent number 5,501,470
    • Issue date Mar 26, 1996
    • Nippon Pillar Packing Co., Ltd.
    • Toshihiko Fuse
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal device of the non-contact type
    • Patent number 5,398,943
    • Issue date Mar 21, 1995
    • Nippon Pillar Packing Co., Ltd.
    • Tadayuki Shimizu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CERAMICS SLIDING MEMBER FOR USE IN PURE WATER
    • Publication number 20130209777
    • Publication date Aug 15, 2013
    • Nippon Pillar Packing Co., Ltd.
    • Hiroshi Nagasaka
    • B32 - LAYERED PRODUCTS
  • 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

    CERAMICS SLIDING MEMBER FOR USE IN PURE WATER
    • Publication number 20100130343
    • Publication date May 27, 2010
    • EBARA CORPORATION
    • Hiroshi Nagasaka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SHAFT SEAL APPARATUS
    • Publication number 20010052673
    • Publication date Dec 20, 2001
    • EIJI OKUMACHI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL