The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 05, 2005

Filed:

Aug. 21, 2003
Applicants:

Toshikazu Hirota, Kuwana, JP;

Nobuo Takahashi, Owariasahi, JP;

Yukihasa Takeuchi, Nishikamo-Gun, JP;

Inventors:

Toshikazu Hirota, Kuwana, JP;

Nobuo Takahashi, Owariasahi, JP;

Yukihasa Takeuchi, Nishikamo-Gun, JP;

Assignee:

NGK Insulators, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L003/02 ;
U.S. Cl.
CPC ...
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.


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