Syooichi Kawamata

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Current sensor system and detection method comprising magetoresista...
- Patent number 5,561,366
- Issue date Oct 1, 1996
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Optical disk apparatus
- Patent number 5,453,972
- Issue date Sep 26, 1995
- Hitachi, Ltd.
- Hiroshi Kanazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensor
- Patent number 5,351,027
- Issue date Sep 27, 1994
- Hitachi, Ltd.
- Syooichi Kawamata
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus magnetically detecting position or speed of moving body u...
- Patent number RE34443
- Issue date Nov 16, 1993
- Hitachi, Ltd.
- Tadashi Takahashi
- 324 - Electricity: measuring and testing
Information Patent Grant
Linear actuator
- Patent number 5,245,232
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Hideki Nihei
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for detection of physical quantities, servomot...
- Patent number 5,218,279
- Issue date Jun 8, 1993
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic position detection apparatus having two magnetic recording...
- Patent number 5,019,776
- Issue date May 28, 1991
- Hitachi, Ltd.
- Syooichi Kawamata
- G01 - MEASURING TESTING
Information Patent Grant
Actuator with stepping motion function
- Patent number 4,983,893
- Issue date Jan 8, 1991
- Hitachi, Ltd.
- Kunio Miyashita
- G05 - CONTROLLING REGULATING
Information Patent Grant
Torque detecting apparatus
- Patent number 4,939,435
- Issue date Jul 3, 1990
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for magnetically detecting positions with minimum length...
- Patent number 4,904,937
- Issue date Feb 27, 1990
- Hitachi, Ltd.
- Tadashi Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Torque detecting apparatus
- Patent number 4,874,053
- Issue date Oct 17, 1989
- Hitachi, Ltd.
- Hiroshi Kimura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus for magnetically detecting position or speed or moving bo...
- Patent number 4,818,939
- Issue date Apr 4, 1989
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic sensor for magnetically detecting the position of a movabl...
- Patent number 4,786,870
- Issue date Nov 22, 1988
- Hitachi, Ltd.
- Syooichi Kawamata
- G01 - MEASURING TESTING
Information Patent Grant
Device for magnetically detecting displacement of non-magnetic mova...
- Patent number 4,713,613
- Issue date Dec 15, 1987
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic position sensor
- Patent number 4,707,695
- Issue date Nov 17, 1987
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Crank angle sensor
- Patent number 4,694,688
- Issue date Sep 22, 1987
- Hitachi, Ltd.
- Tadashi Takahashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multi phase magnetic sensor apparatus for detecting the position of...
- Patent number 4,594,548
- Issue date Jun 10, 1986
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING

Syooichi Kawamata

Person

Patents Grantslast 30 patents

Current sensor system and detection method comprising magetoresista...

Optical disk apparatus

Magnetic sensor

Apparatus magnetically detecting position or speed of moving body u...

Linear actuator

Method and apparatus for detection of physical quantities, servomot...

Magnetic position detection apparatus having two magnetic recording...

Actuator with stepping motion function

Torque detecting apparatus

Apparatus for magnetically detecting positions with minimum length...

Torque detecting apparatus

Apparatus for magnetically detecting position or speed or moving bo...

Magnetic sensor for magnetically detecting the position of a movabl...

Device for magnetically detecting displacement of non-magnetic mova...

Magnetic position sensor

Crank angle sensor

Multi phase magnetic sensor apparatus for detecting the position of...