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:
Jan. 20, 2026
Filed:
Jul. 11, 2023
Applicant:
Tokin Corporation, Shiroishi, JP;
Inventors:
Shigemi Fujiwara, Sendai, JP;
Makoto Kaneko, Sendai, JP;
Assignee:
TOKIN CORPORATION, Miyagi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 5/34 (2022.01); G01J 5/02 (2022.01);
U.S. Cl.
CPC ...
G01J 5/34 (2013.01); G01J 5/0205 (2013.01);
Abstract
A pyroelectric infrared sensor comprises an internal board, a pyroelectric element and a capacitor element. The internal board is provided with a first electrode pad and a second electrode pad. The pyroelectric element has a composition of PbCa(MnSb)TiO and is connected to the first electrode pad. The capacitor element is connected to the second electrode pad with a high melting point solder paste which has a liquidus temperature equal to or more than 240° C.
Fujiwara, Shigemi. (2026). Pyroelectric infrared sensor and electronic device comprising pyroelectric infrared sensor (U.S. Patent No. 12529605). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12529605
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile