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.
Patent No.:
Date of Patent:
Oct. 26, 2004
Filed:
Jan. 28, 2003
Applicant:
Inventors:
Yasuhiro Goshoo, Tokyo, JP;
Takaaki Kuroiwa, Tokyo, JP;
Assignee:
Yamatake Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C12M 1/34 ;
U.S. Cl.
CPC ...
C12M 1/34 ;
Abstract
A microchip device for chemotaxis observation according to the present invention is provided with the first well in which chemotactic factors are to be filled, and the second well in which chemotactic cells are to be filled. There is provided a channel between the first well and the second well. The channel has a plurality of paths. A sidewall surfaces of the path is substantially perpendicular to a bottom surface, as formed by anisotropic dry etching.