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. 08, 2011
Filed:
Mar. 13, 2008
Applicants:
Hiroaki Tomoe, Sagamihara, JP;
Masahiro Onozawa, Sagamihara, JP;
Inventors:
Hiroaki Tomoe, Sagamihara, JP;
Masahiro Onozawa, Sagamihara, JP;
Assignee:
Ohara Inc., Sagamihara-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/062 (2006.01);
U.S. Cl.
CPC ...
Abstract
Optical glass has a refractive index of 1.83 or above and an Abbe number of 26 or less and contains SiO, TiO, NbOand NaO as its essential constituents in such proportions on a final oxide basis that the amounts of its oxide constituents as expressed on a mass percentage basis may satisfy the relationship:(TiO+NbO)/(NaO+KO)=3.0 to 4.0.
Tomoe, Hiroaki. (2011). Optical glass (U.S. Patent No. 7884040). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7884040
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile