Toshihito Shirai

Person

Saitama-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless communication network system
- Patent number 9,628,998
- Issue date Apr 18, 2017
- The Nippon Signal Co., Ltd.
- Terufumi Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication network system synchronization method
- Patent number 9,319,163
- Issue date Apr 19, 2016
- The Nippon Signal Co., Ltd.
- Terufumi Yamaguchi
- B61 - RAILWAYS
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
Optical barrier device
- Patent number 6,657,762
- Issue date Dec 2, 2003
- The Nippon Signal Co., Ltd.
- Toshihito Shirai
- G01 - MEASURING TESTING
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
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
Fail-safe timing circuit and on-delay circuit using the same
- Patent number 6,239,956
- Issue date May 29, 2001
- The Nippon Signal Co., Ltd.
- Toshihito Shirai
- H03 - BASIC ELECTRONIC CIRCUITRY
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
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
Motor stopped verification sensor
- Patent number 5,905,354
- Issue date May 18, 1999
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- G01 - MEASURING TESTING
Information Patent Grant
Fail-safe signal transmitting apparatus producing a logical product...
- Patent number 5,867,775
- Issue date Feb 2, 1999
- The Nippon Signal Co., Ltd.
- Toshihito Shirai
- G08 - SIGNALLING
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
Apparatus for confirming stop of movable portion
- Patent number 5,793,197
- Issue date Aug 11, 1998
- The Nippon Signal Co., Ltd.
- Toshihito Shirai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Transition detection circuit for detecting transitions in the state...
- Patent number 5,773,972
- Issue date Jun 30, 1998
- The Nippon Signal Co., Ltd.
- Koichi Futsuhara
- G01 - MEASURING TESTING
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
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

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COMMUNICATION NETWORK SYSTEM SYNCHRONIZATION METHOD
- Publication number 20140211782
- Publication date Jul 31, 2014
- The Nippon Signal Co., Ltd.
- Terufumi YAMAGUCHI
- B61 - RAILWAYS
Information Patent Application
WIRELESS COMMUNICATION NETWORK SYSTEM
- Publication number 20140161022
- Publication date Jun 12, 2014
- The Nippon Signal Co., Ltd.
- Terufumi YAMAGUCHI
- B61 - RAILWAYS
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
Optical barrier device
- Publication number 20020135849
- Publication date Sep 26, 2002
- Toshihito Shirai
- G01 - MEASURING TESTING
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

Toshihito Shirai

Person

Patents Grantslast 30 patents

Wireless communication network system

Wireless communication network system synchronization method

Reception time determining apparatus and distance measuring apparat...

Failure detecting system

Optical barrier device

Information generating apparatus using elastic waves

Power supply unit

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

Information generating apparatus using elastic waves

Fail-safe timing circuit and on-delay circuit using the same

Fail-safe automatic sliding operation control apparatus for press

Information generator using elastic wave

Motor stopped verification sensor

Fail-safe signal transmitting apparatus producing a logical product...

Mat sensor

Apparatus for confirming stop of movable portion

Transition detection circuit for detecting transitions in the state...

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

Motor stopped verification apparatus

Load drive circuit

Patents Applicationslast 30 patents

WIRELESS COMMUNICATION NETWORK SYSTEM SYNCHRONIZATION METHOD

WIRELESS COMMUNICATION NETWORK SYSTEM

Reception time determining apparatus and distance measuring apparat...

Failure detecting system

Optical barrier device

Information generating apparatus using elastic waves

POWER SUPPLY UNIT