Kouji Sagawa

Person

  • Hitachinaka-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Automated dressing unit for a chain saw

    • Patent number 10,625,354
    • Issue date Apr 21, 2020
    • KOKI HOLDINGS CO., LTD.
    • Kenji Naganuma
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Portable blower

    • Patent number 9,970,445
    • Issue date May 15, 2018
    • Hitachi Koki Co., Ltd.
    • Seiichi Kodato
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Portable blower

    • Patent number 9,869,327
    • Issue date Jan 16, 2018
    • Hitachi Koki Co., Ltd.
    • Seiichi Kodato
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chainsaw

    • Patent number 9,486,867
    • Issue date Nov 8, 2016
    • Hitachi Koki Co., Ltd.
    • Yasuo Etou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chainsaw

    • Patent number 9,381,665
    • Issue date Jul 5, 2016
    • Hitachi Koki Co., Ltd.
    • Miyoji Onose
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chain saw

    • Patent number 9,044,875
    • Issue date Jun 2, 2015
    • Hitachi Koki Co., Ltd.
    • Yasutaka Shimizu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Dust collector

    • Patent number 8,800,108
    • Issue date Aug 12, 2014
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Air blower

    • Patent number 8,721,298
    • Issue date May 13, 2014
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable abrasive tool

    • Patent number 8,678,884
    • Issue date Mar 25, 2014
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    CHAIN SAW

    • Publication number 20180133822
    • Publication date May 17, 2018
    • Hitachi Koki Co., Ltd.
    • Kenji NAGANUMA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHAINSAW

    • Publication number 20150321377
    • Publication date Nov 12, 2015
    • Hitachi Koki Co., Ltd.
    • Miyoji ONOSE
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PORTABLE BLOWER

    • Publication number 20150211535
    • Publication date Jul 30, 2015
    • Hitachi Koki Co., Ltd.
    • Seiichi Kodato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CHAINSAW

    • Publication number 20140345149
    • Publication date Nov 27, 2014
    • Yasuo Etou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PORTABLE BLOWER

    • Publication number 20140050600
    • Publication date Feb 20, 2014
    • Hitachi Koki Co., Ltd.
    • Seiichi Kodato
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIN SAW

    • Publication number 20140047722
    • Publication date Feb 20, 2014
    • Hitachi Koki Co., Ltd.
    • Miyoji Onose
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HEDGE TRIMMER

    • Publication number 20140047719
    • Publication date Feb 20, 2014
    • Hitachi Koki Co., Ltd.
    • Yasutaka SHIMIZU
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    CHAIN SAW

    • Publication number 20130180118
    • Publication date Jul 18, 2013
    • Hitachi Koki Co., Ltd.
    • Yasutaka Shimizu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    DUST COLLECTOR

    • Publication number 20110146025
    • Publication date Jun 23, 2011
    • HITACHI KOKI CO., LTD.
    • Hideyuki Tanimoto
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    PORTABLE ABRASIVE TOOL

    • Publication number 20110108302
    • Publication date May 12, 2011
    • HITACHI KOKI CO., LTD.
    • Hideyuki Tanimoto
    • B24 - GRINDING POLISHING
  • Information Patent Application

    AIR BLOWER

    • Publication number 20110110798
    • Publication date May 12, 2011
    • Hideyuki TANIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...