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. 24, 2026
Filed:
Sep. 19, 2023
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 7/14 (2006.01); C30B 29/16 (2006.01); C30B 33/00 (2006.01);
U.S. Cl.
CPC ...
C30B 7/14 (2013.01); C30B 29/16 (2013.01); C30B 33/00 (2013.01);
Abstract
A composite substrate includes: a base substrate and an α-GaOcrystal film that is provided on the base substrate, has a thickness of 10 μm or more, and has at least one alkali metal element content of 1.2×10atoms/cmor more and 1.0×10atoms/cmor less.
Yoshikawa, Jun. (2026). Composite substrate, method for producing composite substrate, and method for producing gallium oxide crystal film (U.S. Patent No. 12559855). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12559855
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile