Patents by Inventor Kenichi Hosoya

Kenichi Hosoya 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).

  • Microwave oscillator for obtaining the low phase noise characteristic
    Patent number: 6259332
    Abstract: A microwave oscillator is disclosed, that comprises an FET, a series feedback short-circuited stub connected to the source terminal of said FET, a transmission line and a capacitor connected in series to the gate terminal of said FET, a gate bias circuit connected to said transmission line through a resistor, a drain bias circuit connected to the drain terminal of said FET through said transmission line, and an output matching circuit, a resonating circuit, and a load resistor connected in series to said transmission line, wherein said output matching circuit is composed of a transmission line and a matching open stub, said resonating circuit being composed of a first open stub and a second open stub, the length of the first open stub being shorter than (2n−1)/4 (where n=1, 2, . . .
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: July 10, 2001
    Assignee: NEC Corporation
    Inventor: Kenichi Hosoya