Sadao Igarashi

Person

Soma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reception circuit
- Patent number 6,351,504
- Issue date Feb 26, 2002
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver integrated circuit for mobile telephone
- Patent number 6,236,848
- Issue date May 22, 2001
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier circuit having common AGC to IF and RF amplifiers for use...
- Patent number 5,926,749
- Issue date Jul 20, 1999
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AGC voltage correction circuit
- Patent number 5,900,782
- Issue date May 4, 1999
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multistage variable gain amplifier circuit
- Patent number 5,900,781
- Issue date May 4, 1999
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency amplifier
- Patent number 5,532,650
- Issue date Jul 2, 1996
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency oscillator circuit
- Patent number 5,418,500
- Issue date May 23, 1995
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mixer circuit
- Patent number 5,329,189
- Issue date Jul 12, 1994
- Alps Electric Co., Ltd.
- Susumu Ushida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain control circuit
- Patent number 5,327,097
- Issue date Jul 5, 1994
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tuning apparatus for a television receiver including selectively ac...
- Patent number 5,115,317
- Issue date May 19, 1992
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
2-stage differential amplifier connected in cascade
- Patent number 5,057,788
- Issue date Oct 15, 1991
- Alps Electric Co., Ltd.
- Susumu Ushida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Microwave separator
- Patent number 4,799,033
- Issue date Jan 17, 1989
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microwave band-pass filter
- Patent number 4,761,624
- Issue date Aug 2, 1988
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide-microstrip line converter
- Patent number 4,725,793
- Issue date Feb 16, 1988
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide filter
- Patent number 4,725,798
- Issue date Feb 16, 1988
- Alps Electric, Ltd.
- Sadao Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide filter
- Patent number 4,724,408
- Issue date Feb 9, 1988
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide-microstrip line converter
- Patent number 4,716,387
- Issue date Dec 29, 1987
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide filter
- Patent number 4,701,728
- Issue date Oct 20, 1987
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microwave circuit apparatus
- Patent number 4,504,796
- Issue date Mar 12, 1985
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase-locked loop oscillator circuit utilizing a sub-loop with a se...
- Patent number 4,426,627
- Issue date Jan 17, 1984
- Alps Electric Co., Ltd.
- Akiyuki Yoshisato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency input circuit for two inputs
- Patent number 4,369,414
- Issue date Jan 18, 1983
- Alps Electric Co. Ltd.
- Kazuharu Aoki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Double-balanced mixer circuit
- Patent number 4,306,311
- Issue date Dec 15, 1981
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase locked loop with means for preventing locking at undesired fr...
- Patent number 4,152,669
- Issue date May 1, 1979
- Alps Electric Co., Ltd.
- Sadao Igarashi
- H03 - BASIC ELECTRONIC CIRCUITRY

Sadao Igarashi

Person

Patents Grantslast 30 patents

Reception circuit

Receiver integrated circuit for mobile telephone

Amplifier circuit having common AGC to IF and RF amplifiers for use...

AGC voltage correction circuit

Multistage variable gain amplifier circuit

High-frequency amplifier

High-frequency oscillator circuit

Mixer circuit

Gain control circuit

Tuning apparatus for a television receiver including selectively ac...

2-stage differential amplifier connected in cascade

Microwave separator

Microwave band-pass filter

Waveguide-microstrip line converter

Waveguide filter

Waveguide filter

Waveguide-microstrip line converter

Waveguide filter

Microwave circuit apparatus

Phase-locked loop oscillator circuit utilizing a sub-loop with a se...

High-frequency input circuit for two inputs

Double-balanced mixer circuit

Phase locked loop with means for preventing locking at undesired fr...