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:
Jun. 03, 2025
Filed:
Mar. 29, 2023
Applicant:
Hoya Corporation, Tokyo, JP;
Inventor:
Mikio Ikenishi, Tokyo, JP;
Assignee:
HOYA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 23/203 (2006.01); C03B 23/207 (2006.01); C03B 33/06 (2006.01); C03C 27/10 (2006.01);
U.S. Cl.
CPC ...
C03B 33/06 (2013.01); C03B 23/207 (2013.01); C03C 27/10 (2013.01); C03B 23/203 (2013.01);
Abstract
The glass substrate having opposing flat two main surfaces includes a plurality of optically homogeneous glass pieces joined with one another, in which a junction surface between the joined glass pieces is perpendicular or substantially perpendicular with respect to the two main surfaces.