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Haruta; Kazumasa
Nagaokakyo, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8013692 Boundary acoustic wave device September 6, 2011
A boundary acoustic wave device includes an electrode structure that is provided at the interface between a piezoelectric substrate and a dielectric layer. The electrode structure defines a ladder filter in which at least two ground pads of a plurality of ground pads, to be connected
7944329 Acoustic wave filter device with branched ground wiring sandwiching the IDT area May 17, 2011
An acoustic wave filter device has a balance-unbalance conversion function and has an increased out-of-band attenuation. The acoustic wave filter device includes a 5-IDT-type longitudinally coupled resonator-type acoustic wave filter unit including IDTs that are connected between an
6512421 Gunn diode oscillator with NRD guide January 28, 2003
An oscillation circuit is constructed by providing a line and a Gunn diode on a dielectric substrate, and an oscillation signal as the fundamental frequency signal of an oscillator is injected into the Gunn diode through a DC bias line. By disposing a dielectric stripline between upper a
6445256 Oscillator and radio equipment September 3, 2002
The present invention provides a small-sized oscillator facilitating the adjustment of a resonance frequency, permitting mass productivity to be improved, sufficiently suppressing a fundamental wave, and permitting cost reduction, and provides radio equipment using the oscillator. In thi
6369662 Oscillator, dielectric waveguide device, and transmitter April 9, 2002
An oscillator, a dielectric waveguide device and a transmitter incorporating the same, wherein a special temperature-compensating circuit provides a temperature-compensated device with reduced size and cost, and greater productivity. In the oscillator, a dielectric plate having a strip
6344779 Oscillator and radio equipment February 5, 2002
An oscillation circuit is constructed by providing a line, a Gunn diode, and a dielectric resonator on a dielectric substrate; by disposing a dielectric stripline between upper and lower conductor plates to form an NRD guide which serves as a output transmission line; and the line and th

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