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:
Aug. 11, 2009
Filed:
Aug. 24, 2004
Applicants:
Junko Ishioka, Sagamihara, JP;
Masahiro Onozawa, Sagamihara, JP;
Inventors:
Junko Ishioka, Sagamihara, JP;
Masahiro Onozawa, Sagamihara, JP;
Assignee:
Kabushiki Kaisha Ohara, Kanagawa-Ken, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/078 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical glass having optical constants of refractive index (nd) within a range from 1.49 to 1.54 and Abbe number (ν d) within a range from 55 to 65 comprises, in mass %,