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:
Apr. 26, 2011
Filed:
May. 29, 2008
Applicants:
Masahiro Masuzawa, Chiba, JP;
Takashi Kitamura, Chiba, JP;
Inventors:
Masahiro Masuzawa, Chiba, JP;
Takashi Kitamura, Chiba, JP;
Assignees:
Ricoh Company, Ltd., Tokyo, JP;
Chiba University, Chiba-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A disclosed electrophoretic fluid includes a solvent; and first, second, and third dispersible particles having different optical properties and dispersed in the solvent, the first dispersible particles being uncharged, the second dispersible particles being positively-charged electrophoretic particles, and the third dispersible particles being negatively-charged electrophoretic particles.