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Keiichi Okai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aircraft propulsion system
    • Patent number 7,555,893
    • Issue date Jul 7, 2009
    • Japan Aerospace Exploration Agency
    • Keiichi Okai
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Electromagnetic rotating machine
    • Patent number 7,423,405
    • Issue date Sep 9, 2008
    • Japan Aerospace Exploration Agency
    • Keiichi Okai
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    Aircraft propulsion system
    • Publication number 20060254255
    • Publication date Nov 16, 2006
    • JAPAN AEROSPACE EXPLORATION AGENCY
    • Keiichi Okai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Electromagnetic rotating machine
    • Publication number 20060176009
    • Publication date Aug 10, 2006
    • JAPAN AEROSPACE EXPLORATION AGENCY
    • Keiichi Okai
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...