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:
Jan. 22, 2008
Filed:
Sep. 15, 2004
Applicants:
Satoshi Hiraoka, Minamiashigara, JP;
Hidehiko Soyama, Minamiashigara, JP;
Yasuo Yamamoto, Minamiashigara, JP;
Inventors:
Satoshi Hiraoka, Minamiashigara, JP;
Hidehiko Soyama, Minamiashigara, JP;
Yasuo Yamamoto, Minamiashigara, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G09G 3/34 (2006.01); G03G 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides particles for a display device having a positively or negatively chargeable property and color, and the particles have an abundance ratio of amorphous particles with a major axis to minor axis length ratio of approximately 1.2 or greater is approximately 5% or less by number.