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:
May. 19, 2026
Filed:
Jan. 29, 2020
Applicant:
Kyocera Corporation, Kyoto, JP;
Inventors:
Kentaro Kikuchi, Kirishima, JP;
Satoshi Toyoda, Kirishima, JP;
Takahiro Ueno, Kirishima, JP;
Hidehiro Takenoshita, Kirishima, JP;
Assignee:
KYOCERA Corporation, Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 35/117 (2006.01);
U.S. Cl.
CPC ...
C04B 35/117 (2013.01); C04B 2235/36 (2013.01);
Abstract
A heat-resistant member of the present disclosure is formed of an alumina-based ceramic containing alumina crystals and a glass formed of Si, Ca, Mg, and O, and an area ratio occupied by the glass in an inner portion is larger than an area ratio occupied by the glass in the surface portion.