Yukinobu Ishigaki

Person

Machida, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Spread spectrum modulating and demodulating apparatus for transmiss...
- Patent number 5,832,027
- Issue date Nov 3, 1998
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency converting circuit
- Patent number 5,767,705
- Issue date Jun 16, 1998
- Victor Company of Japan, Ltd.
- Yutaka Ichinoi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency converting circuit
- Patent number 5,760,622
- Issue date Jun 2, 1998
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency converting circuit
- Patent number 5,648,736
- Issue date Jul 15, 1997
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Spread spectrum modulating apparatus using either PSK or FSK primar...
- Patent number 5,539,770
- Issue date Jul 23, 1996
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving device for receiving and demodulating spread spectrum-mod...
- Patent number 5,402,442
- Issue date Mar 28, 1995
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- G01 - MEASURING TESTING
Information Patent Grant
Spread spectrum communication system
- Patent number 5,301,206
- Issue date Apr 5, 1994
- Victor Company of Japan, Inc.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Demodulation system for spread spectrum communication
- Patent number 5,239,556
- Issue date Aug 24, 1993
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulation and demodulation system for spread spectrum transmission
- Patent number 5,170,411
- Issue date Dec 8, 1992
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spread spectrum communication system
- Patent number 4,977,578
- Issue date Dec 11, 1990
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spread spectrum communication system
- Patent number 4,953,178
- Issue date Aug 28, 1990
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spread spectrum communication system
- Patent number 4,943,976
- Issue date Jul 24, 1990
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase-locked loop circuit
- Patent number 4,888,564
- Issue date Dec 19, 1989
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Scrambler system
- Patent number 4,790,009
- Issue date Dec 6, 1988
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio magnetic recording and/or reproducing apparatus utilizing fre...
- Patent number 4,698,693
- Issue date Oct 6, 1987
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Single-sideband generator suitable for integrated circuits
- Patent number 4,635,004
- Issue date Jan 6, 1987
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit for reconstructing noise-affected signals
- Patent number 4,626,788
- Issue date Dec 2, 1986
- Victor Company of Japan, Limited
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quarternary differential PSK demodulator
- Patent number 4,614,910
- Issue date Sep 30, 1986
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reduction by linear interpolation using a dual function ampli...
- Patent number 4,577,161
- Issue date Mar 18, 1986
- Victor Company of Japan, Ltd.
- Kazutoshi Hirohashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Noise reduction for stereophonic FM signals by high-speed sampling...
- Patent number 4,574,390
- Issue date Mar 4, 1986
- Victor Company of Japan, Limited
- Kazutoshi Hirohashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reduction by linear interpolation using a dual function ampli...
- Patent number 4,539,527
- Issue date Sep 3, 1985
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Impulse noise reduction by linear interpolation having a deemphasis...
- Patent number 4,532,475
- Issue date Jul 30, 1985
- Victor Company of Japan, Limited
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Impulse noise reduction by linear interpolation having immunity to...
- Patent number 4,531,095
- Issue date Jul 23, 1985
- Victor Company of Japan, Limited
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit arrangement for reconstructing noise-affected signals
- Patent number 4,517,518
- Issue date May 14, 1985
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Circuit arrangement for deriving a level control signal using silic...
- Patent number 4,495,428
- Issue date Jan 22, 1985
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Noise reducing apparatus
- Patent number 4,449,106
- Issue date May 15, 1984
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Noise reduction by integrating frequency-split signals with differe...
- Patent number 4,442,546
- Issue date Apr 10, 1984
- Victor Company of Japan, Limited
- Yukinobu Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Noise reducing apparatus
- Patent number 4,430,754
- Issue date Feb 7, 1984
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable-directivity microphone device
- Patent number 4,412,097
- Issue date Oct 25, 1983
- Victor Company of Japan, Ltd.
- Yukinobu Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable directional microphone system
- Patent number 4,399,327
- Issue date Aug 16, 1983
- Victor Company of Japan, Limited
- Makoto Yamamoto
- G11 - INFORMATION STORAGE

Yukinobu Ishigaki

Person

Patents Grantslast 30 patents

Spread spectrum modulating and demodulating apparatus for transmiss...

Frequency converting circuit

Frequency converting circuit

Frequency converting circuit

Spread spectrum modulating apparatus using either PSK or FSK primar...

Receiving device for receiving and demodulating spread spectrum-mod...

Spread spectrum communication system

Demodulation system for spread spectrum communication

Modulation and demodulation system for spread spectrum transmission

Spread spectrum communication system

Spread spectrum communication system

Spread spectrum communication system

Phase-locked loop circuit

Scrambler system

Audio magnetic recording and/or reproducing apparatus utilizing fre...

Single-sideband generator suitable for integrated circuits

Circuit for reconstructing noise-affected signals

Quarternary differential PSK demodulator

Noise reduction by linear interpolation using a dual function ampli...

Noise reduction for stereophonic FM signals by high-speed sampling...

Noise reduction by linear interpolation using a dual function ampli...

Impulse noise reduction by linear interpolation having a deemphasis...

Impulse noise reduction by linear interpolation having immunity to...

Circuit arrangement for reconstructing noise-affected signals

Circuit arrangement for deriving a level control signal using silic...

Noise reducing apparatus

Noise reduction by integrating frequency-split signals with differe...

Noise reducing apparatus

Variable-directivity microphone device

Variable directional microphone system