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:
Mar. 11, 2008

Filed:

Sep. 13, 2004
Applicants:

Koichi Hishida, Yokohama, JP;

Yohei Sato, Yokohama, JP;

Takahiro Yamamoto, Yokohama, JP;

Shankar Devasenathipathy, Yokohama, JP;

Inventors:

Koichi Hishida, Yokohama, JP;

Yohei Sato, Yokohama, JP;

Takahiro Yamamoto, Yokohama, JP;

Shankar Devasenathipathy, Yokohama, JP;

Assignee:

Keio University, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/447 (2006.01); G01N 27/453 (2006.01);
U.S. Cl.
CPC ...
Abstract

A plurality of types of liquid with different electrical conductivity flow through a micro channel having a plurality of channels. When an electric field is applied thereto, an electrokinetic driving flow generated in the micro channel attracts objective submicron particles to one side. Therefore, the particles are completely separated in a single operation by use of the micro channel having extremely simple structure, without the necessity of special machining of the channels and the like.


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