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. 25, 2008
Filed:
Aug. 26, 2004
Applicant:
Hideo Kusuzawa, Kobe, JP;
Inventor:
Hideo Kusuzawa, Kobe, JP;
Assignee:
Sysmex Corporation, Kobe-shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A particle diameter measuring apparatus includes a dark field illumination section which dark-field-illuminates particles to be subjected to measurement, an image pickup section which captures a particle image of each of the dark-field-illuminated particles, and a computing section which calculates a particle diameter of each particle based on luminance of the captured image.