Patents by Inventor Tetsu RI

Tetsu RI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Filter, duplexer and module
    Patent number: 9595940
    Abstract: A filter includes: one or more series resonators connected in series between an input terminal and an output terminal; one or more parallel resonators connected in parallel between the input terminal and the output terminal; a first inductor having one end connected to at least one of the input terminal and the output terminal; a second inductor having one end connected to a terminal near a ground of at least one of the parallel resonators; and a third inductor connected between a first node and the ground, the first node connecting the other end of the first inductor and the other end of the second inductor.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: March 14, 2017
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Tetsu Ri
  • FILTER, DUPLEXER AND MODULE
    Publication number: 20150381142
    Abstract: A filter includes: one or more series resonators connected in series between an input terminal and an output terminal; one or more parallel resonators connected in parallel between the input terminal and the output terminal; a first inductor having one end connected to at least one of the input terminal and the output terminal; a second inductor having one end connected to a terminal near a ground of at least one of the parallel resonators; and a third inductor connected between a first node and the ground, the first node connecting the other end of the first inductor and the other end of the second inductor.
    Type: Application
    Filed: June 2, 2015
    Publication date: December 31, 2015
    Applicant: TAIYO YUDEN CO., LTD.
    Inventor: Tetsu RI