Tetsuo Sato

Person

Fussa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Plant-operation-information displaying method and plant-operation m...
- Patent number 5,943,236
- Issue date Aug 24, 1999
- Hitachi, Ltd.
- Hiroshi Ohno
- G05 - CONTROLLING REGULATING
Information Patent Grant
Communications system having a semiconductor integrated circuit for...
- Patent number 5,512,888
- Issue date Apr 30, 1996
- Hitachi, Ltd.
- Masakazu Hoshino
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communications system and a system control method
- Patent number 5,341,131
- Issue date Aug 23, 1994
- Hitachi, Ltd.
- Masakazu Hoshino
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal transmission circuit
- Patent number 4,639,795
- Issue date Jan 27, 1987
- Hitachi, Ltd.
- Kazuo Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical signal processing system with variable gain stage of servo...
- Patent number 4,614,863
- Issue date Sep 30, 1986
- Hitachi, Ltd.
- Tetsuo Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Indicating system
- Patent number 4,574,276
- Issue date Mar 4, 1986
- Hitachi, Ltd.
- Tetsuo Sato
- G01 - MEASURING TESTING
Information Patent Grant
Digital/analogue converter
- Patent number 4,571,572
- Issue date Feb 18, 1986
- Hitachi, Ltd.
- Tsutomu Noda
- G11 - INFORMATION STORAGE
Information Patent Grant
Amplifier circuit
- Patent number 4,510,458
- Issue date Apr 9, 1985
- Hitachi, Ltd.
- Tetsuo Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal processing circuit
- Patent number 4,500,932
- Issue date Feb 19, 1985
- Hitachi, Ltd.
- Tetsuo Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing circuit employing an improved composite current m...
- Patent number 4,489,285
- Issue date Dec 18, 1984
- Hitachi, Ltd.
- Tetsuo Sato
- G01 - MEASURING TESTING
Information Patent Grant
Variable electronic impedance circuit
- Patent number 4,485,350
- Issue date Nov 27, 1984
- Hitachi, Ltd.
- Tetsuo Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switchable signal compressor/signal expander
- Patent number 4,412,189
- Issue date Oct 25, 1983
- Hitachi, Ltd.
- Yasuo Kominami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrated voltage control variable gain circuit and a signal trans...
- Patent number 4,366,449
- Issue date Dec 28, 1982
- Hitachi, Ltd.
- Tetsuo Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Recording/playing circuit
- Patent number 4,354,209
- Issue date Oct 12, 1982
- Hitachi, Ltd.
- Tetsuo Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Transistor amplifying circuit for preventing the operation of an am...
- Patent number 4,286,227
- Issue date Aug 25, 1981
- Hitachi, Ltd.
- Tetsuo Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Synthesizer tuner
- Patent number 4,282,603
- Issue date Aug 4, 1981
- Hitachi, Ltd.
- Tetsuo Sato
- H03 - BASIC ELECTRONIC CIRCUITRY

Tetsuo Sato

Person

Patents Grantslast 30 patents

Plant-operation-information displaying method and plant-operation m...

Communications system having a semiconductor integrated circuit for...

Communications system and a system control method

Signal transmission circuit

Optical signal processing system with variable gain stage of servo...

Indicating system

Digital/analogue converter

Amplifier circuit

Signal processing circuit

Signal processing circuit employing an improved composite current m...

Variable electronic impedance circuit

Switchable signal compressor/signal expander

Integrated voltage control variable gain circuit and a signal trans...

Recording/playing circuit

Transistor amplifying circuit for preventing the operation of an am...

Synthesizer tuner