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:
Dec. 20, 2011
Filed:
Feb. 09, 2010
Applicants:
Shinichi Ito, Yokohama, JP;
Eishi Shiobara, Yokohama, JP;
Inventors:
Shinichi Ito, Yokohama, JP;
Eishi Shiobara, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for evaluating chemical solution includes determining number of particles in liquid for each size of the particles by measurement, expressing a relationship between size of the particles and number of particles corresponding to the size by a function based on the number of particles for each size of the particles determined by the measurement, and evaluating influence of particles having size less than or equal to a measurement limit in the liquid based on the function.