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Mitsuo Ogura

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric power tool
    • Patent number 6,863,135
    • Issue date Mar 8, 2005
    • Hitachi Koki Co., Ltd.
    • Junichi Kamimura
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Electric power tool
    • Patent number 6,619,410
    • Issue date Sep 16, 2003
    • Hitachi Koki Co., Ltd.
    • Junichi Kamimura
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Portable compressor
    • Patent number 6,089,835
    • Issue date Jul 18, 2000
    • Hitachi Koki Co., Ltd.
    • Tsukasa Suzuura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pneumatically operated screw driver
    • Patent number 6,026,713
    • Issue date Feb 22, 2000
    • Hitachi Koki Co., Ltd.
    • Yasuki Ohmori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power screwdriver and clutch mechanism used therein
    • Patent number 5,735,183
    • Issue date Apr 7, 1998
    • Hitachi Koki Co., Ltd.
    • Yasuo Sasaki
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatically operated screw driver
    • Patent number 5,730,035
    • Issue date Mar 24, 1998
    • Hitachi Koki Co., Ltd.
    • Yasuki Ohmori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Low-noise impact screwdriver
    • Patent number 5,673,758
    • Issue date Oct 7, 1997
    • Hitachi Koki Company Limited
    • Yasuo Sasaki
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Vacuum pump with helically threaded cylinders
    • Patent number 5,154,572
    • Issue date Oct 13, 1992
    • Hitachi Koki Company Limited
    • Takeshi Toyoshima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Molecular drag pump with rotors moving in same direction
    • Patent number 5,120,208
    • Issue date Jun 9, 1992
    • Hitachi Koki Company Limited
    • Takeshi Toyoshima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Electric power tool
    • Publication number 20040040399
    • Publication date Mar 4, 2004
    • Hitachi Koki Co., Ltd.
    • Junichi Kamimura
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electric power tool
    • Publication number 20020020540
    • Publication date Feb 21, 2002
    • Junichi Kamimura
    • B24 - GRINDING POLISHING