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:
Jul. 29, 2025
Filed:
Feb. 09, 2024
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Yoshihiro Shinkai, Tokyo, JP;
Naoyoshi Yoshida, Tokyo, JP;
Masato Hayatsu, Tokyo, JP;
Shunsuke Takahashi, Tokyo, JP;
Sota Hiraba, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 4/10 (2006.01); H01T 1/22 (2006.01); H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
H01T 4/10 (2013.01); H01T 1/22 (2013.01); H02H 9/044 (2013.01);
Abstract
A transient voltage protection device comprises a pair of discharge electrodes opposing each other with a gap therebetween and a discharge inducing portion in contact with the pair of discharge electrodes. The discharge inducing portion comprises a ceramic component, metal particles, and pores discontinuously scattered. The pores have an average size of 0.05 μm or more and 1.04 μm or less.