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:
Jun. 16, 2026
Filed:
Oct. 19, 2023
Applicant:
Sanan Japan Technology Corporation, Tokyo, JP;
Inventors:
Hitoshi Ebihara, Tokyo, JP;
Shinichi Shioi, Tokyo, JP;
Assignee:
Sanan Japan Technology Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/70 (2006.01); H03H 9/54 (2006.01); H03H 9/60 (2006.01); H03H 9/64 (2006.01); H03H 9/72 (2006.01); H04B 1/20 (2006.01);
U.S. Cl.
CPC ...
H03H 9/706 (2013.01); H03H 9/542 (2013.01); H03H 9/605 (2013.01); H03H 9/6483 (2013.01); H03H 9/725 (2013.01); H04B 1/20 (2013.01);
Abstract
A ladder-type filter includes a plurality of series arms and a plurality of parallel arms, in which one of the parallel arms does not have resonance characteristic is arranged in parallel between two series arm resonators of the plurality of series arms. The ladder-type filter may be included in a duplexer and/or a module.
Ebihara, Hitoshi. (2026). Ladder-type filter, and duplexer and modules with ladder-type filter (U.S. Patent No. 12658890). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12658890
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile