Ken Kawahata

Person

Sendai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Output circuit with limited output voltage range and reduced power...
- Patent number 9,772,354
- Issue date Sep 26, 2017
- Alps Electric Co., Ltd.
- Ken Kawahata
- G01 - MEASURING TESTING
Information Patent Grant
Manufacturing method for current sensor and current sensor
- Patent number 9,702,909
- Issue date Jul 11, 2017
- Alps Electric Co., Ltd.
- Ken Kawahata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Capacitance detecting circuit and detecting method, and fingerprint...
- Patent number 7,102,364
- Issue date Sep 5, 2006
- Alps Electric Co., Ltd.
- Yuichi Umeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Shift register circuit including first shift register having plural...
- Patent number 6,963,327
- Issue date Nov 8, 2005
- Alps Electronics Co., Ltd.
- Ken Kawahata
- G11 - INFORMATION STORAGE
Information Patent Grant
Surface pressure distribution sensor
- Patent number 6,862,942
- Issue date Mar 8, 2005
- Alps Electric Co., Ltd.
- Ken Kawahata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Active matrix type liquid crystal display device, and substrate for...
- Patent number 6,707,441
- Issue date Mar 16, 2004
- LG.Philips LCD Co., Ltd.
- Hiroyuki Hebiguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Shift register having fewer lines therein, and liquid crystal displ...
- Patent number 6,621,886
- Issue date Sep 16, 2003
- Alps Electric Co., Ltd.
- Ken Kawahata
- G11 - INFORMATION STORAGE
Information Patent Grant
Image display device and driver circuit therefor
- Patent number 6,593,939
- Issue date Jul 15, 2003
- Alps Electric Co., Ltd.
- Yukimitsu Yamada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Active matrix type liquid crystal display device, and substrate for...
- Patent number 6,583,777
- Issue date Jun 24, 2003
- Alps Electric Co., Ltd.
- Hiroyuki Hebiguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device in which neighboring pixel electrodes...
- Patent number 6,507,375
- Issue date Jan 14, 2003
- Alps Electric Co., Ltd.
- Ken Kawahata
- G02 - OPTICS
Information Patent Grant
Active-matrix liquid crystal display having storage capacitors of a...
- Patent number 6,356,318
- Issue date Mar 12, 2002
- Alps Electric Co., Ltd.
- Ken Kawahata
- G02 - OPTICS
Information Patent Grant
Image expansion display and driver
- Patent number 6,331,862
- Issue date Dec 18, 2001
- LG.Philips LCD Co., Ltd.
- Yukimitsu Yamada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid-crystal display device
- Patent number 6,297,793
- Issue date Oct 2, 2001
- LG.Philips LCD Co., Ltd.
- Ken Kawahata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display
- Patent number 6,011,530
- Issue date Jan 4, 2000
- Frontec Incorporated
- Ken Kawahata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of producing an electro-optical device
- Patent number 5,879,958
- Issue date Mar 9, 1999
- Frontec Incorporated
- Ken Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing an electro-optical device
- Patent number 5,869,351
- Issue date Feb 9, 1999
- Frontec Incorporated
- Ken Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
LCD gate line drive circuit
- Patent number 5,870,071
- Issue date Feb 9, 1999
- Frontec Incorporated
- Ken Kawahata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of producing an electro-optical device
- Patent number 5,837,559
- Issue date Nov 17, 1998
- Frontec Incorporated
- Ken Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing an electro-optical device
- Patent number 5,726,077
- Issue date Mar 10, 1998
- Frontec Incorporated
- Ken Kawahata
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OUTPUT CIRCUIT AND CURRENT SENSOR HAVING THE SAME
- Publication number 20160190929
- Publication date Jun 30, 2016
- Alps Electric Co., Ltd.
- Ken KAWAHATA
- G01 - MEASURING TESTING
Information Patent Application
MANUFACTURING METHOD FOR CURRENT SENSOR AND CURRENT SENSOR
- Publication number 20150069997
- Publication date Mar 12, 2015
- ALPS GREEN DEVICES CO., LTD.
- Ken KAWAHATA
- G01 - MEASURING TESTING
Information Patent Application
Capacity detecting sensor
- Publication number 20060119369
- Publication date Jun 8, 2006
- Alps Electric Co., Ltd.
- Ken Kawahata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Capacitance detection-type sensor
- Publication number 20050253598
- Publication date Nov 17, 2005
- Alps Electric Co., Ltd.
- Ken Kawahata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Capacitance detecting circuit and detecting method, and fingerprint...
- Publication number 20050122785
- Publication date Jun 9, 2005
- Alps Electric Co., Ltd.
- Yuichi Umeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Surface pressure distribution sensor
- Publication number 20040206190
- Publication date Oct 21, 2004
- Alps Electric Co., Ltd.
- Ken Kawahata
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Liquid crystal display apparatus
- Publication number 20040066474
- Publication date Apr 8, 2004
- Alps Electric Co., Ltd.
- Akira Nakano
- G02 - OPTICS
Information Patent Application
Shift register circuit including first shift register having plural...
- Publication number 20030206608
- Publication date Nov 6, 2003
- Alps Electric Co., Ltd.
- Ken Kawahata
- G11 - INFORMATION STORAGE
Information Patent Application
Shift register having fewer lines therein, and liquid crystal displ...
- Publication number 20020097829
- Publication date Jul 25, 2002
- Alps Electric Co., Ltd.
- Ken Kawahata
- G11 - INFORMATION STORAGE
Information Patent Application
Image display device and driver circuit therefor
- Publication number 20020012006
- Publication date Jan 31, 2002
- Alps Electric Co., Ltd.
- Yukimitsu Yamada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Active matrix type liquid crystal display device, and substrate for...
- Publication number 20010015715
- Publication date Aug 23, 2001
- Hiroyuki Hebiguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Ken Kawahata

Person

Patents Grantslast 30 patents

Output circuit with limited output voltage range and reduced power...

Manufacturing method for current sensor and current sensor

Capacitance detecting circuit and detecting method, and fingerprint...

Shift register circuit including first shift register having plural...

Surface pressure distribution sensor

Active matrix type liquid crystal display device, and substrate for...

Shift register having fewer lines therein, and liquid crystal displ...

Image display device and driver circuit therefor

Active matrix type liquid crystal display device, and substrate for...

Liquid crystal display device in which neighboring pixel electrodes...

Active-matrix liquid crystal display having storage capacitors of a...

Image expansion display and driver

Liquid-crystal display device

Liquid crystal display

Method of producing an electro-optical device

Method of producing an electro-optical device

LCD gate line drive circuit

Method of producing an electro-optical device

Method of producing an electro-optical device

Patents Applicationslast 30 patents

OUTPUT CIRCUIT AND CURRENT SENSOR HAVING THE SAME

MANUFACTURING METHOD FOR CURRENT SENSOR AND CURRENT SENSOR

Capacity detecting sensor

Capacitance detection-type sensor

Capacitance detecting circuit and detecting method, and fingerprint...

Surface pressure distribution sensor

Liquid crystal display apparatus

Shift register circuit including first shift register having plural...

Shift register having fewer lines therein, and liquid crystal displ...

Image display device and driver circuit therefor

Active matrix type liquid crystal display device, and substrate for...