Takao Sasayama

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
In-cylinder pressure sensing apparatus for multi-cylinder engine
- Patent number 5,831,263
- Issue date Nov 3, 1998
- Hitachi, Ltd.
- Masahiro Komachiya
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Optical fiber pressure sensor
- Patent number 5,745,611
- Issue date Apr 28, 1998
- Hitachi, Ltd.
- Masahiro Komachiya
- G02 - OPTICS
Information Patent Grant
Engine combustion control apparatus
- Patent number 5,692,474
- Issue date Dec 2, 1997
- Hitachi, Ltd.
- Teruo Yamauchi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Physical quantity detecting apparatus and internal combustion engin...
- Patent number 5,693,936
- Issue date Dec 2, 1997
- Hitachi, Ltd.
- Masahiro Komachiya
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of making a capacitance type acceleration sensor
- Patent number 5,676,851
- Issue date Oct 14, 1997
- Hitachi Ltd.
- Masayoshi Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
Capacitance type sensor device
- Patent number 5,659,254
- Issue date Aug 19, 1997
- Hitachi, Ltd.
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Grant
Capacitance type acceleration sensor
- Patent number 5,616,844
- Issue date Apr 1, 1997
- Hitachi, Ltd.
- Masayoshi Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
Gate circuit of combined field-effect and bipolar transistors
- Patent number 5,600,268
- Issue date Feb 4, 1997
- Hitachi, Ltd.
- Ikuro Masuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Air fuel ratio detecting arrangement and method therefor for an int...
- Patent number 5,323,635
- Issue date Jun 28, 1994
- Hitachi, Ltd.
- Sadayasu Ueno
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gate circuit of combined field-effect and bipolar transistors with...
- Patent number 5,239,212
- Issue date Aug 24, 1993
- Hitachi, Ltd.
- Ikuro Masuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gate circuit of combined field-effect and bipolar transistors
- Patent number 5,001,366
- Issue date Mar 19, 1991
- Hitachi, Ltd.
- Ikuro Masuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oxygen sensor
- Patent number 4,900,425
- Issue date Feb 13, 1990
- Hitachi, Ltd.
- Takao Sasayama
- G01 - MEASURING TESTING
Information Patent Grant
CMOS-BiCMOS gate circuit
- Patent number 4,890,017
- Issue date Dec 26, 1989
- Hitachi, Ltd.
- Ikuro Masuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of controlling air-fuel ratio
- Patent number 4,837,698
- Issue date Jun 6, 1989
- Hitachi, Ltd.
- Matsuo Amano
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gate circuit of combined field-effect and bipolar transistors
- Patent number 4,829,201
- Issue date May 9, 1989
- Hitachi, Ltd.
- Ikuro Masuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for detecting combustion pressure in engine
- Patent number 4,781,059
- Issue date Nov 1, 1988
- Hitachi, Ltd.
- Seikoo Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
Gate circuit of combined field-effect and bipolar transistors
- Patent number 4,719,373
- Issue date Jan 12, 1988
- Hitachi, Ltd.
- Ikuro Masuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Air-fuel ratio detector
- Patent number 4,718,999
- Issue date Jan 12, 1988
- Hitachi, Ltd.
- Seiko Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
Solid-state optical interferometer
- Patent number 4,708,480
- Issue date Nov 24, 1987
- Hitachi, Ltd.
- Takao Sasayama
- G02 - OPTICS
Information Patent Grant
Method controlling air-fuel ratio
- Patent number 4,703,430
- Issue date Oct 27, 1987
- Hitachi, Ltd.
- Matsuo Amano
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-to-fuel ratio sensor for an automobile
- Patent number 4,664,773
- Issue date May 12, 1987
- Hitachi, Ltd.
- Seiko Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
Method of fuel injection into engine
- Patent number 4,630,206
- Issue date Dec 16, 1986
- Hitachi, Ltd.
- Matsuo Amamo
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Semiconductor-type pressure transducer
- Patent number 4,604,899
- Issue date Aug 12, 1986
- Hitachi, Ltd.
- Kazuji Yamada
- G01 - MEASURING TESTING
Information Patent Grant
FET-bipolar switching device and circuit
- Patent number 4,604,535
- Issue date Aug 5, 1986
- Hitachi, Ltd.
- Takao Sasayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor switching device utilizing bipolar and MOS elements
- Patent number 4,585,962
- Issue date Apr 29, 1986
- Hitachi, Ltd.
- Takao Sasayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic control apparatus for internal combustion engine
- Patent number 4,561,056
- Issue date Dec 24, 1985
- Hitachi, Ltd.
- Takeshi Hirayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Pressure transducer using integrated circuit elements
- Patent number 4,558,238
- Issue date Dec 10, 1985
- Hitachi, Ltd.
- Kazuji Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Pressure transducer with temperature compensation circuit
- Patent number 4,556,807
- Issue date Dec 3, 1985
- Hitachi, Ltd.
- Kazuji Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Electromechanical transducer controlling device
- Patent number RE32035
- Issue date Nov 19, 1985
- Hitachi, Ltd.
- Hiroshi Kuroiwa
- 361 - Electricity: electrical systems and devices
Information Patent Grant
Method of controlling internal combustion engine
- Patent number 4,523,284
- Issue date Jun 11, 1985
- Hitachi, Ltd.
- Matsuo Amano
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Takao Sasayama

Person

Patents Grantslast 30 patents

In-cylinder pressure sensing apparatus for multi-cylinder engine

Optical fiber pressure sensor

Engine combustion control apparatus

Physical quantity detecting apparatus and internal combustion engin...

Method of making a capacitance type acceleration sensor

Capacitance type sensor device

Capacitance type acceleration sensor

Gate circuit of combined field-effect and bipolar transistors

Air fuel ratio detecting arrangement and method therefor for an int...

Gate circuit of combined field-effect and bipolar transistors with...

Gate circuit of combined field-effect and bipolar transistors

Oxygen sensor

CMOS-BiCMOS gate circuit

Method of controlling air-fuel ratio

Gate circuit of combined field-effect and bipolar transistors

Method and apparatus for detecting combustion pressure in engine

Gate circuit of combined field-effect and bipolar transistors

Air-fuel ratio detector

Solid-state optical interferometer

Method controlling air-fuel ratio

Air-to-fuel ratio sensor for an automobile

Method of fuel injection into engine

Semiconductor-type pressure transducer

FET-bipolar switching device and circuit

Semiconductor switching device utilizing bipolar and MOS elements

Electronic control apparatus for internal combustion engine

Pressure transducer using integrated circuit elements

Pressure transducer with temperature compensation circuit

Electromechanical transducer controlling device

Method of controlling internal combustion engine