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:
Oct. 16, 2012
Filed:
Feb. 03, 2010
Applicants:
Yasuhiro Fujiwara, Shinjuku-ku, JP;
Shuhei Mikami, Shinjuku-ku, JP;
Hiroki Takazawa, Shinjuku-ku, JP;
Inventors:
Yasuhiro Fujiwara, Shinjuku-ku, JP;
Shuhei Mikami, Shinjuku-ku, JP;
Hiroki Takazawa, Shinjuku-ku, JP;
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/19 (2006.01); C03C 3/23 (2006.01); C03C 3/068 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an optical glass with a high refractive index and good precision press moldability, and a preform for precision press molding and an optical element that are comprised of the optical glass. The present invention further relates to a method of manufacturing an optical element, a lens unit being equipped with an optical element and an image pickup device being equipped with a lens unit.