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. 10, 2026
Filed:
Feb. 21, 2020
Applicant:
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Inventor:
Koichi Sakaguchi, Osaka, JP;
Assignee:
NIPPON SHEET GLASS COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/73 (2006.01); C03B 18/02 (2006.01); C03C 3/087 (2006.01); C03C 3/095 (2006.01);
U.S. Cl.
CPC ...
G11B 5/73921 (2019.05); C03C 3/087 (2013.01); C03C 3/095 (2013.01); C03B 18/02 (2013.01);
Abstract
The present invention provides a glass composition including, as components, in mol %: 50 to 70% SiO; 10 to 20% AlO; 2 to 5% MgO; 3 to 15% CaO; 3 to 15% LiO; 3 to 15% NaO; and 0 to 5% KO, wherein when a content of a component X in mol % is expressed as [X], [AlO]— [RO] is less than −0.5%, where [RO] is the sum of [LiO], [NaO], and [KO].
Quick Actions:
Sakaguchi, Koichi. (2026). Glass composition, glass sheet and method for producing same, and substrate for information recording medium (U.S. Patent No. 12573425). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12573425
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile