Patents by Inventor Yukihasa Takeuchi

Yukihasa Takeuchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Micropipette and dispenser
    Patent number: 6875404
    Abstract: A micropipette constructed for dispensing sequential, different sample solutions, including a substrate, an inlet port formed in or on the substrate, a cavity into which the sample solutions are poured through the inlet port and which is filled sequentially with the sample solutions, an introduction hole between each inlet port and cavity, an injection port for sequentially expelling the sample solutions formed in communication with each cavity, and a piezoelectric/electrostrictive element provided on at least one wall of the substrate adjacent each cavity.
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: April 5, 2005
    Assignee: NGK Insulators, Ltd.
    Inventors: Toshikazu Hirota, Nobuo Takahashi, Yukihasa Takeuchi