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:
Mar. 31, 1998
Filed:
Mar. 22, 1996
Applicant:
Inventors:
Koichi Kitazawa, Tokyo, JP;
Hiroharu Sugawara, Kanagawa, JP;
Noriyuki Hirota, Tokyo, JP;
Takuro Homma, Kanagawa, JP;
Satoshi Maruyama, Tokyo, JP;
Shinichi Yamashita, Tokyo, JP;
Jun Nakagawa, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; B01D / ;
U.S. Cl.
CPC ...
210 695 ; 210222 ;
Abstract
The interface between two nonmagnetic fluids, typically liquid layers, in contact with each other is changed by applying a magnetic field thereto. The interface is raised or depressed into an upward or downward convex shape.