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Yasuo Sasaki

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combustion type driving tool
    • Patent number 7,815,085
    • Issue date Oct 19, 2010
    • Hitachi Koki Co., Ltd.
    • Yasuo Sasaki
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatically operated screw driver
    • Patent number 7,370,559
    • Issue date May 13, 2008
    • Hitachi Koki Co., Ltd.
    • Takeshi Kamo
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Destructive device, foam gas collecting device, and foam gas separa...
    • Patent number 7,258,291
    • Issue date Aug 21, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Mikio Yotsumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pneumatically operated screw driver
    • Patent number 7,165,478
    • Issue date Jan 23, 2007
    • Hitachi Koki Co., Ltd.
    • Takeshi Kamo
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Combustion type power tool having avoiding unit for avoiding overhe...
    • Patent number 7,021,251
    • Issue date Apr 4, 2006
    • Hitachi Koki Co., Ltd.
    • Yasuki Ohmori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatically operated screw driver
    • Patent number 7,013,985
    • Issue date Mar 21, 2006
    • Hitachi Koki Co., Ltd.
    • Yasuo Sasaki
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Screw fastening machine
    • Patent number 6,672,404
    • Issue date Jan 6, 2004
    • Hitachi Koki Company, Ltd.
    • Takeshi Kamo
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Reciprocating tool
    • Patent number 6,370,781
    • Issue date Apr 16, 2002
    • Hitachi Koki Co., Ltd.
    • Yasuo Sasaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pneumatically operable screw driver
    • Patent number 6,073,521
    • Issue date Jun 13, 2000
    • Hitachi Koki Co., Ltd.
    • Akira Uno
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    Vibratory tool with a vibration proof mechanism for the handle thereof
    • Patent number 4,401,167
    • Issue date Aug 30, 1983
    • Hitachi Koki Company, Limited
    • Masaaki Sekizawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents