TREA

Osamu Izumisawa

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  • Nagano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic rotary tool
    • Patent number 7,404,450
    • Issue date Jul 29, 2008
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Hand tool with impact drive and speed reducing mechanism
    • Patent number 7,080,578
    • Issue date Jul 25, 2006
    • SP Air Kabusiki Kaisha Corporation
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hand-held pneumatic rotary drive device
    • Patent number RE39009
    • Issue date Mar 14, 2006
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • 173 - Tool driving or impacting
  • Information Patent Grant

    Pneumatic rotary tool
    • Patent number 6,880,645
    • Issue date Apr 19, 2005
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic rotary tool
    • Patent number 6,796,386
    • Issue date Sep 28, 2004
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hand-held pneumatic rotary drive device having an adjustable air ex...
    • Patent number 6,695,072
    • Issue date Feb 24, 2004
    • S. P. Air Kabushiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic ratchet drive wrench
    • Patent number 6,578,643
    • Issue date Jun 17, 2003
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic rotary tool
    • Patent number 6,443,239
    • Issue date Sep 3, 2002
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ratchet wrench with pivotable head
    • Patent number 6,311,583
    • Issue date Nov 6, 2001
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Square drive wrench having offset head
    • Patent number D440848
    • Issue date Apr 24, 2001
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Square drive wrench having angled head
    • Patent number D440847
    • Issue date Apr 24, 2001
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Square drive wrench having offset head
    • Patent number D439485
    • Issue date Mar 27, 2001
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Square drive wrench having angled head
    • Patent number D439486
    • Issue date Mar 27, 2001
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Impact wrench
    • Patent number D437760
    • Issue date Feb 20, 2001
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Impact wrench
    • Patent number D436818
    • Issue date Jan 30, 2001
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Hand-held pneumatic rotary drive device
    • Patent number 6,158,528
    • Issue date Dec 12, 2000
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact wrench
    • Patent number D434298
    • Issue date Nov 28, 2000
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Miniature sander
    • Patent number D430995
    • Issue date Sep 19, 2000
    • S.P. Air Kabushiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Reciprocating pneumatic saw
    • Patent number 6,065,216
    • Issue date May 23, 2000
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pneumatic rotary tool
    • Patent number 5,918,686
    • Issue date Jul 6, 1999
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power abrading tool having dust abatement feature
    • Patent number 5,919,085
    • Issue date Jul 6, 1999
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Pneumatic hand tool
    • Patent number D408243
    • Issue date Apr 20, 1999
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Impact wrench
    • Patent number D403564
    • Issue date Jan 5, 1999
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • D08 - Tools and hardware
  • Information Patent Grant

    Ratchet wrench with pivotable head
    • Patent number 5,784,934
    • Issue date Jul 28, 1998
    • Shinano Pneumatic Industries, Inc.
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary impact tool
    • Patent number 5,199,505
    • Issue date Apr 6, 1993
    • Shinano Pneumatic Industries, Inc.
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tightening device
    • Patent number 4,821,611
    • Issue date Apr 18, 1989
    • Shinano Pneumatic Industries Inc.
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    Pneumatic Die Grinder Operable as Blow Gun
    • Publication number 20090075572
    • Publication date Mar 19, 2009
    • SP AIR KABUSHIKI KAISHA
    • Osamu Izumisawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PNEUMATIC ROTARY TOOL
    • Publication number 20070151075
    • Publication date Jul 5, 2007
    • SP AIR KABUSHIKI KAISHA
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Rotary impact tool having a ski-jump clutch mechanism
    • Publication number 20060266537
    • Publication date Nov 30, 2006
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Automatic saw
    • Publication number 20060179667
    • Publication date Aug 17, 2006
    • Osamu Izumisawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hand tool with impact drive and speed reducing mechanism
    • Publication number 20060053979
    • Publication date Mar 16, 2006
    • SP Air Kabusiki Kaisha Corporation
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Pneumatic rotary tool
    • Publication number 20030230423
    • Publication date Dec 18, 2003
    • S.P. Air Kabusiki Kaisha
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Pneumatic rotary tool
    • Publication number 20030136570
    • Publication date Jul 24, 2003
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Pneumatic rotary tools
    • Publication number 20030121680
    • Publication date Jul 3, 2003
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Pneumatic ratchet drive wrench
    • Publication number 20030024715
    • Publication date Feb 6, 2003
    • Osamu Izumisawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS