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Takeshi Takahashi

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  • Kashiba-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fusible plug
    • Patent number 11,859,766
    • Issue date Jan 2, 2024
    • Nippon Piston Ring Co., Ltd.
    • Hiroshi Takiguchi
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Valve device
    • Patent number 11,448,329
    • Issue date Sep 20, 2022
    • JTEKT CORPORATION
    • Kazushi Numazaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Super finishing stone and super finishing method
    • Patent number 8,007,551
    • Issue date Aug 30, 2011
    • JTEKT Corporation
    • Eiji Kaneuchi
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Dynamic pressure bearing
    • Patent number 6,974,257
    • Issue date Dec 13, 2005
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Dynamic pressure bearing and method of manufacturing the same
    • Patent number 6,904,682
    • Issue date Jun 14, 2005
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing
    • Patent number 6,860,636
    • Issue date Mar 1, 2005
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing and method of manufacturing the same
    • Patent number 6,779,924
    • Issue date Aug 24, 2004
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing device
    • Patent number 6,554,473
    • Issue date Apr 29, 2003
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid dynamic bearing evaluating method capable of quantitatively e...
    • Patent number 6,556,026
    • Issue date Apr 29, 2003
    • Koyo Seiko Co., Ltd.
    • Takeharu Ogimoto
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method for processing dynamic pressure groove of fluid dynamic bearing
    • Patent number 6,532,662
    • Issue date Mar 18, 2003
    • Koyo Seiko Co., Ltd.
    • Yasuhiro Kobayashi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Thrust dynamic pressure bearing
    • Patent number 6,505,970
    • Issue date Jan 14, 2003
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sliding bearing
    • Patent number 6,499,882
    • Issue date Dec 31, 2002
    • Koyo Seiko Co., LTD
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing
    • Patent number 6,485,179
    • Issue date Nov 26, 2002
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thrust dynamic pressure bearing
    • Patent number 6,371,651
    • Issue date Apr 16, 2002
    • Koyo Seiko Co., Ltd.
    • Yoshiki Fujii
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing
    • Patent number 6,361,216
    • Issue date Mar 26, 2002
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thrust dynamic pressure bearing with varying depth grooves
    • Patent number 6,350,059
    • Issue date Feb 26, 2002
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bearing device
    • Patent number 6,206,572
    • Issue date Mar 27, 2001
    • Koyo Seiko Co., Ltd.
    • Yasuhiro Kobayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydrodynamic bearing
    • Patent number 6,079,879
    • Issue date Jun 27, 2000
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing made of porous material
    • Patent number 6,000,850
    • Issue date Dec 14, 1999
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Closed type thrust dynamic pressure bearing with through hole
    • Patent number 5,988,886
    • Issue date Nov 23, 1999
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydrodynamic bearing
    • Patent number 5,941,644
    • Issue date Aug 24, 1999
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of manufacturing dynamic pressure bearing having large load-...
    • Patent number 5,787,579
    • Issue date Aug 4, 1998
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing having large load-carrying capacity and pr...
    • Patent number 5,628,568
    • Issue date May 13, 1997
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylindrical dynamic pressure bearing formed of polyphenylene sulfid...
    • Patent number 5,472,283
    • Issue date Dec 5, 1995
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hydrostatic gas bearing capable of easily assembling bearing units...
    • Patent number 5,415,477
    • Issue date May 16, 1995
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller supporting structure using a dynamic pressure
    • Patent number 5,399,141
    • Issue date Mar 21, 1995
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Spindle device capable of eliminating a rotational drive mechanism...
    • Patent number 5,398,493
    • Issue date Mar 21, 1995
    • Koyo Seiko Co., Ltd.
    • Masayoshi Onishi
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Bearing device
    • Patent number 5,356,226
    • Issue date Oct 18, 1994
    • Koyo Seiko Co., Ltd.
    • Masayoshi Onishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing device
    • Patent number 5,240,332
    • Issue date Aug 31, 1993
    • Koyo Seiko Co., Ltd.
    • Masayoshi Onishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pressure bearing for an X-ray tube having a rotary anode
    • Patent number 5,169,243
    • Issue date Dec 8, 1992
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    FUSIBLE PLUG
    • Publication number 20220243872
    • Publication date Aug 4, 2022
    • Nippon Piston Ring Co., Ltd.
    • Hiroshi TAKIGUCHI
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    VALVE DEVICE
    • Publication number 20200292091
    • Publication date Sep 17, 2020
    • JTEKT Corporation
    • Kazushi NUMAZAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Super finishing stone and super finishing method
    • Publication number 20080066386
    • Publication date Mar 20, 2008
    • JTEKT Corporation
    • Eiji Kaneuchi
    • B24 - GRINDING POLISHING
  • Information Patent Application

    Performance judgment method for dynamic pressure bearing and dynami...
    • Publication number 20070183694
    • Publication date Aug 9, 2007
    • Takeharu Ogimoto
    • G01 - MEASURING TESTING
  • Information Patent Application

    Dynamic pressure bearing and method of manufacturing the same
    • Publication number 20040237307
    • Publication date Dec 2, 2004
    • KOYO SEIKO CO., LTD.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Dynamic pressure bearing
    • Publication number 20030123763
    • Publication date Jul 3, 2003
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Dynamic pressure bearing
    • Publication number 20030113046
    • Publication date Jun 19, 2003
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Dynamic pressure bearing and method of manufacturing the same
    • Publication number 20030059136
    • Publication date Mar 27, 2003
    • KOYO SEIKO CO., LTD.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Fluid dynamic bearing evaluating method capable of quantitatively e...
    • Publication number 20020005727
    • Publication date Jan 17, 2002
    • Takeharu Ogimoto
    • G01 - MEASURING TESTING
  • Information Patent Application

    Sliding bearing
    • Publication number 20010038725
    • Publication date Nov 8, 2001
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method for processing dynamic pressure groove of fluid dynamic bearing
    • Publication number 20010027924
    • Publication date Oct 11, 2001
    • Yasuhiro Kobayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Dynamic pressure bearing device
    • Publication number 20010026652
    • Publication date Oct 4, 2001
    • Koyo Seiko Co., Ltd.
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Thrust dynamic pressure bearing
    • Publication number 20010022870
    • Publication date Sep 20, 2001
    • Takeshi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...