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Yoshinobu Ohtachi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump, rotor, and washer
    • Patent number 11,946,482
    • Issue date Apr 2, 2024
    • Edwards Japan Limited
    • Katsuhisa Yokozuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and linked-type thread groove spacer
    • Patent number 11,898,565
    • Issue date Feb 13, 2024
    • Edwards Japan Limited
    • Kengo Saegusa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and heating device therefor
    • Patent number 11,889,595
    • Issue date Jan 30, 2024
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump, cylindrical portion used in vacuum pump, and base portion
    • Patent number 11,480,182
    • Issue date Oct 25, 2022
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Adaptor and vacuum pump
    • Patent number 11,466,692
    • Issue date Oct 11, 2022
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump, and control device of vacuum pump
    • Patent number 11,384,770
    • Issue date Jul 12, 2022
    • Edwards Japan Limited
    • Hideo Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Stator-side member and vacuum pump
    • Patent number 10,704,555
    • Issue date Jul 7, 2020
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Vacuum pump and abnormality cause estimating method for vacuum pump
    • Patent number 10,578,158
    • Issue date Mar 3, 2020
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,480,523
    • Issue date Nov 19, 2019
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,364,814
    • Issue date Jul 30, 2019
    • Edwards Japan Limited
    • Yongwei Shi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,001,126
    • Issue date Jun 19, 2018
    • Edwards Japan Limited
    • Tooru Miwata
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotor and vacuum pump equipped with same
    • Patent number 9,982,682
    • Issue date May 29, 2018
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Exhaust pump
    • Patent number 9,790,946
    • Issue date Oct 17, 2017
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 8,690,525
    • Issue date Apr 8, 2014
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Molecular pump and flange having shock absorbing member
    • Patent number 8,403,652
    • Issue date Mar 26, 2013
    • Edwards Japan Limited
    • Yasushi Maejima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetic bearing device with vibration restraining function, magnet...
    • Patent number RE41035
    • Issue date Dec 15, 2009
    • BOC Edwards Japan Limited
    • Yoshinobu Ohtachi
    • 310 - Electrical generator or motor structure
  • Information Patent Grant

    Vacuum pump
    • Patent number 6,840,736
    • Issue date Jan 11, 2005
    • BOC Edwards Technologies Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetic bearing device with vibration restraining function, magnet...
    • Patent number 6,806,606
    • Issue date Oct 19, 2004
    • BOC Edwards Technologies Limited
    • Yoshinobu Ohtachi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vaccum pump
    • Patent number 6,575,713
    • Issue date Jun 10, 2003
    • Seiko Instruments Inc.
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Disk recording and reproducing apparatus
    • Patent number 6,324,134
    • Issue date Nov 27, 2001
    • Seiko Instruments Inc.
    • Yoshinobu Ohtachi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    CAD/CAM apparatus and machining apparatus for processing position/f...
    • Patent number 6,298,279
    • Issue date Oct 2, 2001
    • Seiko Instruments Inc.
    • Akira Shimada
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Robot controller
    • Patent number 6,294,890
    • Issue date Sep 25, 2001
    • Seiko Instruments Inc.
    • Akira Shimada
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Position and/or force controlling apparatus using sliding mode deco...
    • Patent number 6,253,120
    • Issue date Jun 26, 2001
    • Seiko Seiki Kabushiki Kaisha
    • Akira Shimada
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM PUMP, VACUUM PUMP CONTROLLER, AND REMOTE CONTROLLER
    • Publication number 20240167484
    • Publication date May 23, 2024
    • EDWARDS JAPAN LIMITED
    • Masayuki Hashimoto
    • G08 - SIGNALLING
  • Information Patent Application

    VACUUM EXHAUST APPARATUS AND VACUUM PUMP USED THEREIN
    • Publication number 20220397122
    • Publication date Dec 15, 2022
    • EDWARDS JAPAN LIMITED
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP, ROTOR, AND WASHER
    • Publication number 20220268289
    • Publication date Aug 25, 2022
    • EDWARDS JAPAN LIMITED
    • Katsuhisa Yokozuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND STATOR COMPONENT OF THREAD GROOVE PUMP PORTION OF T...
    • Publication number 20220235776
    • Publication date Jul 28, 2022
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND LINKED-TYPE THREAD GROOVE SPACER
    • Publication number 20220228594
    • Publication date Jul 21, 2022
    • Edwards Japan Limited
    • Kengo Saegusa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP, CYLINDRICAL PORTION USED IN VACUUM PUMP, AND BASE PORTION
    • Publication number 20210293244
    • Publication date Sep 23, 2021
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP, AND CONTROL DEVICE OF VACUUM PUMP
    • Publication number 20210123449
    • Publication date Apr 29, 2021
    • EDWARDS JAPAN LIMITED
    • Hideo Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND HEATING DEVICE THEREFOR
    • Publication number 20200092952
    • Publication date Mar 19, 2020
    • EDWARDS JAPAN LIMITED
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR AND VACUUM PUMP EQUIPPED WITH SAME
    • Publication number 20180128280
    • Publication date May 10, 2018
    • EDWARDS JAPAN LIMITED
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ADAPTOR AND VACUUM PUMP
    • Publication number 20180038375
    • Publication date Feb 8, 2018
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20170363101
    • Publication date Dec 21, 2017
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND ABNORMALITY CAUSE ESTIMATING METHOD FOR VACUUM PUMP
    • Publication number 20170248166
    • Publication date Aug 31, 2017
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Pump
    • Publication number 20160025096
    • Publication date Jan 28, 2016
    • EDWARDS JAPAN LIMITED
    • Yongwei Shi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR-SIDE MEMBER AND VACUUM PUMP
    • Publication number 20150240822
    • Publication date Aug 27, 2015
    • EDWARDS JAPAN LIMITED
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR AND VACUUM PUMP EQUIPPED WITH SAME
    • Publication number 20150240829
    • Publication date Aug 27, 2015
    • EDWARDS JAPAN LIMITED
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EXHAUST PUMP
    • Publication number 20130164124
    • Publication date Jun 27, 2013
    • EDWARDS JAPAN LIMITED
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20120143390
    • Publication date Jun 7, 2012
    • EDWARDS JAPAN LIMITED
    • Tooru Miwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND MEMBER USED FOR VACUUM PUMP
    • Publication number 20120141254
    • Publication date Jun 7, 2012
    • EDWARDS JAPAN LIMITED
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20110103934
    • Publication date May 5, 2011
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Molecular Pump And Flange
    • Publication number 20090081056
    • Publication date Mar 26, 2009
    • Yasushi Maejima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Motor control system, motor apparatus, vacuum pump, correction curr...
    • Publication number 20040212333
    • Publication date Oct 28, 2004
    • Yoshinobu Ohtachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Magnetic bearing device with vibration restraining function, magnet...
    • Publication number 20040041478
    • Publication date Mar 4, 2004
    • Yoshinobu Ohtachi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Vacuum pump
    • Publication number 20030007862
    • Publication date Jan 9, 2003
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vaccum pump
    • Publication number 20010012488
    • Publication date Aug 9, 2001
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...