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:
Mar. 18, 2025
Filed:
Dec. 09, 2021
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventors:
Douglas Jachowski, Santa Cruz, CA (US);
Ventsislav Yantchev, Sofia, BG;
Bryant Garcia, Mississauga, CA;
Patrick Turner, San Bruno, CA (US);
Assignee:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/56 (2006.01); H03H 9/13 (2006.01); H03H 9/205 (2006.01);
U.S. Cl.
CPC ...
H03H 9/568 (2013.01); H03H 9/13 (2013.01); H03H 9/205 (2013.01);
Abstract
A filter includes first and second shunt resonators, at least one series resonator connected to the first and second shunt resonators in a ladder filter circuit, and a first ground contact pad. The first shunt resonator has two or more first sub-resonators and the second shunt resonator has two or more second sub-resonators. At least one first sub-resonator and at least one, but less than all, of the two or more second sub-resonators are connected to the first ground contact pad.