Patents by Inventor Takahiro Joudo

Takahiro Joudo 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).

  • Non-reciprocal circuit elements
    Patent number: 5419947
    Abstract: Non-reciprocal circuit elements, wherein a plurality of ceramic green sheets having given electrode films with pattern shapes formed respectively on them are collectively fired and integrated into one dielectric basic plate after they have been adhered under pressure by lamination. A plurality of electrode films with pattern shapes are laminated within one dielectric basic plate, so that the internal circuit which includes the central electrode, the matching circuit and so on are disposed with microwave, with the result that they can be smaller in size, higher in performance and easier to manufacture.
    Type: Grant
    Filed: April 19, 1993
    Date of Patent: May 30, 1995
    Assignee: Murata Mfg. Co. Inc.
    Inventors: Hiroki Dejima, Takahiro Joudo, Keiji Okamura, Takashi Kawanami, Takashi Hasegawa, Katsuyuki Ohara