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Hirotaka Kameya

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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil-cooled screw compressor
    • Patent number 11,009,025
    • Issue date May 18, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water injected scroll air compressor
    • Patent number 9,145,892
    • Issue date Sep 29, 2015
    • Hitachi Industrial Equipment Systems, Co., Ltd.
    • Natsuki Kawabata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-flooded screw compressor, motor drive system, and motor control
    • Patent number 8,882,476
    • Issue date Nov 11, 2014
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water injected scroll air compressor
    • Patent number 8,721,308
    • Issue date May 13, 2014
    • Hitachi Industrial Equipment Sytems Co., Ltd.
    • Kazuaki Shiinoki
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Water injected scroll air compressor
    • Patent number 8,672,647
    • Issue date Mar 18, 2014
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Natsuki Kawabata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water-injection type scroll air compressor
    • Patent number 8,585,376
    • Issue date Nov 19, 2013
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-flooded screw compressor, motor drive system, and motor control...
    • Patent number 8,491,280
    • Issue date Jul 23, 2013
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-free scroll compressor
    • Patent number 8,202,057
    • Issue date Jun 19, 2012
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Hirokatsu Kohsokabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor-mounted internal gear pump and manufacturing method thereof a...
    • Patent number 8,033,796
    • Issue date Oct 11, 2011
    • Hitachi, Ltd.
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 7,862,314
    • Issue date Jan 4, 2011
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kohtaro Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel cell system
    • Patent number 7,081,311
    • Issue date Jul 25, 2006
    • Hitachi, Ltd.
    • Hirotaka Kameya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Screw compressor and method of manufacturing rotors thereof
    • Patent number 7,044,724
    • Issue date May 16, 2006
    • Hitachi Industries Co., Ltd.
    • Kazuhiro Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Screw compressor and method of manufacturing rotors thereof
    • Patent number 7,040,845
    • Issue date May 9, 2006
    • Hitachi Industries Co., Ltd.
    • Kazuhiro Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Screw compressor
    • Patent number 7,014,437
    • Issue date Mar 21, 2006
    • Hitachi, Ltd., trustee, for the benefit of Hitachi Air Conditioning Systems C...
    • Hiroki Ohsumimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor and method of manufacturing rotor for the same
    • Patent number 6,884,049
    • Issue date Apr 26, 2005
    • Hitachi, Ltd.,
    • Takeshi Hida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with oil-mist separator
    • Patent number 6,554,595
    • Issue date Apr 29, 2003
    • Hitachi, Ltd.
    • Takeshi Hida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 6,506,039
    • Issue date Jan 14, 2003
    • Hitachi, Ltd.
    • Hiroki Osumimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw fluid machine
    • Patent number 6,257,855
    • Issue date Jul 10, 2001
    • Hitachi, Ltd.
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw-type rotary fluid machine including rotors having treated sur...
    • Patent number 5,314,321
    • Issue date May 24, 1994
    • Hitachi, Ltd.
    • Akihiko Yamamoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of treating surfaces of rotors of the screw type rotary machine
    • Patent number 5,223,052
    • Issue date Jun 29, 1993
    • Hitachi, Ltd.
    • Akihiko Yamamoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Oil-Cooled Screw Compressor
    • Publication number 20190128264
    • Publication date May 2, 2019
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Hirotaka KAMEYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Water Injected Scroll Air Compressor
    • Publication number 20140147325
    • Publication date May 29, 2014
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Natsuki KAWABATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL-FLOODED SCREW COMPRESSOR, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL
    • Publication number 20130294932
    • Publication date Nov 7, 2013
    • Hirotaka KAMEYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Water Injected Scroll Air Compressor
    • Publication number 20110274574
    • Publication date Nov 10, 2011
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kazuaki SHIINOKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Water Injected Scroll Air Compressor
    • Publication number 20110194963
    • Publication date Aug 11, 2011
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Natsuki KAWABATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WATER-INJECTION TYPE SCROLL AIR COMPRESSOR
    • Publication number 20110129362
    • Publication date Jun 2, 2011
    • Hirotaka KAMEYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL-FREE SCROLL COMPRESSOR
    • Publication number 20100158733
    • Publication date Jun 24, 2010
    • Hirokatsu Kohsokabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL-FLOODED SCREW COMPRESSOR, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL...
    • Publication number 20100028165
    • Publication date Feb 4, 2010
    • Hirotaka KAMEYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Motor-Mounted Internal Gear Pump and Electronic Equipment
    • Publication number 20080159884
    • Publication date Jul 3, 2008
    • Hitachi, Ltd
    • Masato Nakanishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Motor-Mounted Internal Gear Pump and Manufacturing Method Thereof a...
    • Publication number 20080159885
    • Publication date Jul 3, 2008
    • HITACHI, LTD.
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20080080997
    • Publication date Apr 3, 2008
    • KOHTARO CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Motor-mounted internal gear pump and electronic device
    • Publication number 20060140810
    • Publication date Jun 29, 2006
    • Hitachi, Ltd
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Motor-mounted internal gear pump and electronic device
    • Publication number 20050265860
    • Publication date Dec 1, 2005
    • Hirotaka Kameya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw compressor and method of manufacturing rotors thereof
    • Publication number 20050147519
    • Publication date Jul 7, 2005
    • Kazuhiro Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Screw compressor and method of manufacturing rotors thereof
    • Publication number 20050089433
    • Publication date Apr 28, 2005
    • Kazuhiro Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Screw compressor and method of manufacturing rotor for the same
    • Publication number 20050063852
    • Publication date Mar 24, 2005
    • Takeshi Hida
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Screw compressor
    • Publication number 20040208771
    • Publication date Oct 21, 2004
    • Hiroki Ohsumimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw compressor and method of manufacturing rotor for the same
    • Publication number 20030108446
    • Publication date Jun 12, 2003
    • Takeshi Hida
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Fuel cell system
    • Publication number 20030049505
    • Publication date Mar 13, 2003
    • Hirotaka Kameya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20030021714
    • Publication date Jan 30, 2003
    • Hiroki Osumimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor with oil-mist separator
    • Publication number 20020054823
    • Publication date May 9, 2002
    • Takeshi Hida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...