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. 02, 2004
Filed:
Dec. 28, 2001
Applicant:
Inventors:
Kaoru Kagami, Tokyo, JP;
Toshihisa Kurosawa, Tokyo, JP;
Hidekuni Asai, Tokyo, JP;
Seiichi Yokoyama, Tokyo, JP;
Yoshiatsu Yokoo, Saitama, JP;
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/32 ;
U.S. Cl.
CPC ...
G02B 6/32 ;
Abstract
A groove portion to stay the adhesive agent penetrated into either one of closely contacted surfaces of the rod lens and the optical filter is formed, thereby, the penetration of the adhesive agent into the optical path is prevented.