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:
Feb. 09, 2010
Filed:
May. 20, 2005
Applicant:
Koji Shimizu, Sagamihara, JP;
Inventor:
Koji Shimizu, Sagamihara, JP;
Assignee:
Kabushiki Kaisha Ohara, Kanagawa-Ken, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/068 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical glass comprising SiO, BOand LaOand one or more oxides selected from the group consisting of ZrO, NbOand TaO, having a refractive index of 1.83 or over and an Abbe number of 35 or over and being free of F.