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:
Sep. 22, 2026
Filed:
Jun. 04, 2024
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventors:
Kazuki Misawa, Tokyo, JP;
Keiichi Hatano, Tokyo, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G 4/30 (2006.01); C04B 35/468 (2006.01); H01G 4/12 (2006.01);
U.S. Cl.
CPC ...
C04B 35/4682 (2013.01); H01G 4/1227 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3236 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/442 (2013.01); C04B 2235/768 (2013.01); C04B 2235/786 (2013.01); C04B 2235/79 (2013.01); C04B 2235/85 (2013.01); H01G 4/30 (2013.01);
Abstract
A dielectric ceramic composition includes a first crystal grain that has a perovskite structure expressed by a general formula of BaCaTiO, and has a core portion and a shell portion surrounding the core portion and including a rare earth element and manganese, and a second crystal grain in which an elemental ratio of total of barium and calcium to titanium is 0.70 or less and a main component is barium calcium titanate.