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Ishigaki Company Limited

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Patents Grantslast 30 patents

  • Information Patent Grant

    Outer cylinder screen washing apparatus of screw press
    • Patent number 12,083,452
    • Issue date Sep 10, 2024
    • ISHIGAKI Company Limited
    • Atsushi Kondo
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Sludge dehydration system and sludge dehydration method
    • Patent number 11,401,188
    • Issue date Aug 2, 2022
    • ISHIGAKI Company Limited
    • Manabu Yamashita
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Recovery device and recovery method for recovering specific materia...
    • Patent number 10,974,982
    • Issue date Apr 13, 2021
    • ISHIGAKI Company Limited
    • Manabu Yamashita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Filter medium, filtering device using filter medium, and filter med...
    • Patent number 10,252,192
    • Issue date Apr 9, 2019
    • ISHIGAKI Company Limited
    • Kunio Fujita
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Belt press
    • Patent number 10,252,482
    • Issue date Apr 9, 2019
    • ISHIGAKI Company Limited
    • Katsunobu Mizobuchi
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Sludge dehydration system and sludge dehydration method
    • Patent number 9,975,798
    • Issue date May 22, 2018
    • ISHIGAKI Company Limited
    • Manabu Yamashita
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filter medium layer and filter device provided with same
    • Patent number 9,718,004
    • Issue date Aug 1, 2017
    • ISHIGAKI Company Limited
    • Kunio Fujita
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Concentrator-integrated screw press
    • Patent number 8,881,648
    • Issue date Nov 11, 2014
    • ISHIGAKI Company Limited
    • Manabu Yamashita
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filter plate for a filter press
    • Patent number D655779
    • Issue date Mar 13, 2012
    • ISHIGAKI Company Limited
    • Nobuo Honda
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter plate for a filter press
    • Patent number D655780
    • Issue date Mar 13, 2012
    • ISHIGAKI Company Limited
    • Nobuo Honda
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sludge thickening method
    • Patent number 7,906,029
    • Issue date Mar 15, 2011
    • ISHIGAKI Company Limited
    • Kenzou Sugaya
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Sludge thickening device
    • Patent number 7,828,961
    • Issue date Nov 9, 2010
    • ISHIGAKI Company Limited
    • Kenzou Sugaya
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Turbo pump
    • Patent number 7,021,890
    • Issue date Apr 4, 2006
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Waterjet propelling device of boat
    • Patent number 6,923,694
    • Issue date Aug 2, 2005
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Outboard motor
    • Patent number 6,821,167
    • Issue date Nov 23, 2004
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Propulsion system for boats
    • Patent number 6,786,167
    • Issue date Sep 7, 2004
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boat propulsion device
    • Patent number 6,645,018
    • Issue date Nov 11, 2003
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Screw press
    • Patent number 6,634,508
    • Issue date Oct 21, 2003
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • B30 - PRESSES
  • Information Patent Grant

    Screw press apparatus
    • Patent number 6,615,710
    • Issue date Sep 9, 2003
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • B30 - PRESSES
  • Information Patent Grant

    Continuous squeeze-dewatering device
    • Patent number 6,461,507
    • Issue date Oct 8, 2002
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water jet propulsion system for watercraft
    • Patent number 6,193,570
    • Issue date Feb 27, 2001
    • Ishigaki Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Closure preventive device for water jet propulsion type outboard motor
    • Patent number 6,183,319
    • Issue date Feb 6, 2001
    • ISHIGAKI Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Water jet propulsion device for marine vessel
    • Patent number 6,102,757
    • Issue date Aug 15, 2000
    • Ishigaki Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Water jet propulsion device for marine vessel
    • Patent number 6,086,436
    • Issue date Jul 11, 2000
    • Ishigaki Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Water jet propulsion device for vessels
    • Patent number 5,989,083
    • Issue date Nov 23, 1999
    • Ishigaki Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Motorboat
    • Patent number D408779
    • Issue date Apr 27, 1999
    • Ishigaki Company Limited
    • Eiichi Ishigaki
    • D12 - Transportation
  • Information Patent Grant

    Apparatus for regenerating filter clothes of filter press
    • Patent number 5,846,415
    • Issue date Dec 8, 1998
    • Ishigaki Company Limited
    • Kunihiko Tsuchida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter unit for filter press
    • Patent number 5,843,310
    • Issue date Dec 1, 1998
    • Ishigaki Company Limited
    • Kunihiko Tsuchida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cloth suspending apparatus in filter press
    • Patent number 5,741,418
    • Issue date Apr 21, 1998
    • Ishigaki Company Limited
    • Akitoshi Iwatani
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    87268968 - TUMBLING
    • Serial number 87268968
    • Registration number 5376643
    • Filing date Dec 14, 2016
    • ISHIGAKI COMPANY, LIMITED
    • 7 - Machines and machine tools
  • Information Trademark

    86736315 - TUMBLING
    • Serial number 86736315
    • Registration number 5024019
    • Filing date Aug 25, 2015
    • ISHIGAKI COMPANY, LIMITED
    • 7 - Machines and machine tools
  • Information Trademark

    86683968 - ISHIGAKI
    • Serial number 86683968
    • Registration number 4931718
    • Filing date Jul 6, 2015
    • ISHIGAKI COMPANY, LIMITED
    • 7 - Machines and machine tools
  • Information Trademark

    86210197 - ISGK
    • Serial number 86210197
    • Registration number 4636202
    • Filing date Mar 4, 2014
    • ISHIGAKI COMPANY, LIMITED
    • 7 - Machines and machine tools
  • Information Trademark

    79145791 - ISHIGAKI
    • Serial number 79145791
    • Registration number 4654797
    • Filing date Dec 25, 2013
    • ISHIGAKI COMPANY, LIMITED
    • 7 - Machines and machine tools
  • Information Trademark

    76258144 - IWWJ
    • Serial number 76258144
    • Registration number 2725347
    • Filing date May 16, 2001
    • ISHIGAKI COMPANY LIMITED
    • 12 - Vehicles
  • Information Trademark

    76258145 - IWWJO
    • Serial number 76258145
    • Registration number 2719878
    • Filing date May 16, 2001
    • ISHIGAKI COMPANY LIMITED
    • 12 - Vehicles
  • Information Trademark

    75854836 - FENSTON
    • Serial number 75854836
    • Filing date Nov 22, 1999
    • ISHIGAKI COMPANY LIMITED
    • 7 - Machines and machine tools
  • Information Trademark

    75547772 - IWJO
    • Serial number 75547772
    • Registration number 2553048
    • Filing date Sep 3, 1998
    • ISHIGAKI COMPANY LIMITED
    • 12 - Vehicles
  • Information Trademark

    75547774
    • Serial number 75547774
    • Registration number 2466115
    • Filing date Sep 3, 1998
    • ISHIGAKI COMPANY LIMITED
    • 12 - Vehicles
  • Information Trademark

    75547773 - IWJ
    • Serial number 75547773
    • Registration number 2556421
    • Filing date Sep 3, 1998
    • ISHIGAKI COMPANY LIMITED
    • 12 - Vehicles