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:
Sep. 25, 2001
Filed:
May. 25, 1999
Applicant:
Inventors:
Takashi Uematsu, Minami Ashigara, JP;
Ryojiro Akashi, Minami Ashigara, JP;
Akinori Komura, Minami Ashigara, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/06 ; G02B 2/602 ;
U.S. Cl.
CPC ...
G02B 1/06 ; G02B 2/602 ;
Abstract
An optical material has a polymer gel whose volume is reversibly changed by absorbing or releasing a liquid in response to an external stimulus and a light scattering member covering at least a part of the surface of the polymer gel.