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:
May. 29, 2001
Filed:
Mar. 04, 1999
Applicant:
Inventor:
Takashi Nishimura, Ibaraki, JP;
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/706 ;
U.S. Cl.
CPC ...
B32B 1/706 ;
Abstract
A lens comprises a lens body having a lens surface with a convex-concave portion and a filler whose optical characteristics are the same as or much similar to that of said lens body, wherein said convex-concave portion of said lens is filled with said filler.