Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hitoshi Watarai0
Masayori Suwa0
Mariko Arase0
Hideaki Monjushiro0
Katsuya Watanabe0
Date of Patent
January 5, 2010
0Patent Application Number
115153510
Date Filed
September 1, 2006
0Patent Primary Examiner
Patent abstract
A magnetic field gradient is generated in a space, and a microparticle is flied downward in the space, thereby applying a magnetic force from the magnetic field gradient onto the microparticle. Then, a velocity and an acceleration of the microparticle due to the magnetic force are measured, thereby measuring a mass of the microparticle on the measured velocity and a magnetic susceptibility of the microparticle.
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