Masayoshi Sakai

Person

Saitama-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reception time determining apparatus and distance measuring apparat...
- Patent number 7,443,342
- Issue date Oct 28, 2008
- The Nippon Signal Co., Ltd.
- Toshihito Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Failure detecting system
- Patent number 7,197,932
- Issue date Apr 3, 2007
- The Nippon Signal Co, Ltd.
- Masayoshi Sakai
- B61 - RAILWAYS
Information Patent Grant
Information generating apparatus using elastic waves
- Patent number 6,459,656
- Issue date Oct 1, 2002
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Power supply unit
- Patent number 6,434,025
- Issue date Aug 13, 2002
- The Nippon Signal Co., Ltd.
- Toshihito Shirai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Threshold value operation circuit, and, and gate circuit, self hold...
- Patent number 6,392,451
- Issue date May 21, 2002
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Operation apparatus for press
- Patent number 6,334,077
- Issue date Dec 25, 2001
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- B30 - PRESSES
Information Patent Grant
Information generating apparatus using elastic waves
- Patent number 6,292,432
- Issue date Sep 18, 2001
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Counting apparatus and rotation stopped detection apparatus which u...
- Patent number 6,292,524
- Issue date Sep 18, 2001
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Counter and a revolution stop detection apparatus using the counter
- Patent number 6,148,055
- Issue date Nov 14, 2000
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Fail-safe automatic sliding operation control apparatus for press
- Patent number 6,047,634
- Issue date Apr 11, 2000
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Load drive circuit
- Patent number 6,034,449
- Issue date Mar 7, 2000
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Information generator using elastic wave
- Patent number 6,031,790
- Issue date Feb 29, 2000
- The Nippon Signal Co. Ltd.
- Koichi Futsuhara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Moving body control apparatus
- Patent number 5,903,517
- Issue date May 11, 1999
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- B61 - RAILWAYS
Information Patent Grant
Drive control apparatus for a rotating machine
- Patent number 5,825,144
- Issue date Oct 20, 1998
- Kao Corporation
- Masatoshi Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electromagnetic relay drive circuit
- Patent number 5,818,681
- Issue date Oct 6, 1998
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mat sensor
- Patent number 5,798,703
- Issue date Aug 25, 1998
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bridge circuit fault monitoring apparatus using an output signal le...
- Patent number 5,734,269
- Issue date Mar 31, 1998
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Motor stopped verification apparatus
- Patent number 5,717,302
- Issue date Feb 10, 1998
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Residual pressure sensor and residual pressure sensor monitoring ap...
- Patent number 5,675,317
- Issue date Oct 7, 1997
- Nagano Keiki Seisakusho, Ltd.
- Masato Ichikawa
- G01 - MEASURING TESTING
Information Patent Grant
Load driving circuit
- Patent number 5,668,706
- Issue date Sep 16, 1997
- Nippon Signal Co., Ltd.
- Masayoshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
On-delay circuit
- Patent number 5,666,081
- Issue date Sep 9, 1997
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Warning apparatus
- Patent number 5,638,043
- Issue date Jun 10, 1997
- The Nippon Signal Co., Ltd.,
- Masayoshi Sakai
- G08 - SIGNALLING
Information Patent Grant
Safety ensuring apparatus
- Patent number 5,619,110
- Issue date Apr 8, 1997
- Kao Corporation
- Noboru Sugimoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Monitoring apparatus for an alarm device
- Patent number 5,578,987
- Issue date Nov 26, 1996
- The Nippon Signal Co., Ltd.
- Zhou XuYang
- G08 - SIGNALLING
Information Patent Grant
Load drive circuit
- Patent number 5,574,320
- Issue date Nov 12, 1996
- The Nippon Signal Co., Ltd.
- Toshihito Shirai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current sensor and motor rotation sensor using such current sensor
- Patent number 5,568,059
- Issue date Oct 22, 1996
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- G01 - MEASURING TESTING
Information Patent Grant
Motor rotation judgement circuit and apparatus using such circuit f...
- Patent number 5,568,131
- Issue date Oct 22, 1996
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Load driving circuit
- Patent number 5,519,598
- Issue date May 21, 1996
- Nippon Signal Co., Ltd.
- Masayoshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Airplane detection system
- Patent number 5,508,697
- Issue date Apr 16, 1996
- Nippon Signal Co., Ltd.
- Masakazu Kato
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Slide operation control device for a press
- Patent number 5,285,721
- Issue date Feb 15, 1994
- The Nippon Signal Co., Ltd.
- Noboru Sugimoto
- B30 - PRESSES

Patents Applicationslast 30 patents

Information Patent Application
Reception time determining apparatus and distance measuring apparat...
- Publication number 20070002932
- Publication date Jan 4, 2007
- THE NIPPON SIGNAL CO., LTD.
- Toshihito Shirai
- G01 - MEASURING TESTING
Information Patent Application
Failure detecting system
- Publication number 20060010979
- Publication date Jan 19, 2006
- The Nippon Signal Co., Ltd.
- Masayoshi Sakai
- B61 - RAILWAYS
Information Patent Application
Information generating apparatus using elastic waves
- Publication number 20020027831
- Publication date Mar 7, 2002
- Nippon Signal Co., Ltd.
- Koichi Futsuhara
- B61 - RAILWAYS
Information Patent Application
POWER SUPPLY UNIT
- Publication number 20020006045
- Publication date Jan 17, 2002
- TOSHIHITO SHIRAI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Masayoshi Sakai

Person

Patents Grantslast 30 patents

Reception time determining apparatus and distance measuring apparat...

Failure detecting system

Information generating apparatus using elastic waves

Power supply unit

Threshold value operation circuit, and, and gate circuit, self hold...

Operation apparatus for press

Information generating apparatus using elastic waves

Counting apparatus and rotation stopped detection apparatus which u...

Counter and a revolution stop detection apparatus using the counter

Fail-safe automatic sliding operation control apparatus for press

Load drive circuit

Information generator using elastic wave

Moving body control apparatus

Drive control apparatus for a rotating machine

Electromagnetic relay drive circuit

Mat sensor

Bridge circuit fault monitoring apparatus using an output signal le...

Motor stopped verification apparatus

Residual pressure sensor and residual pressure sensor monitoring ap...

Load driving circuit

On-delay circuit

Warning apparatus

Safety ensuring apparatus

Monitoring apparatus for an alarm device

Load drive circuit

Current sensor and motor rotation sensor using such current sensor

Motor rotation judgement circuit and apparatus using such circuit f...

Load driving circuit

Airplane detection system

Slide operation control device for a press

Patents Applicationslast 30 patents

Reception time determining apparatus and distance measuring apparat...

Failure detecting system

Information generating apparatus using elastic waves

POWER SUPPLY UNIT