Ryuichi Hirayama

Person

Musashimurayama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal optical modulation device and liquid crystal optical...
- Patent number 11,143,890
- Issue date Oct 12, 2021
- Toppan Printing Co., Ltd.
- Ryuichi Hirayama
- G02 - OPTICS
Information Patent Grant
Liquid crystal display apparatus
- Patent number 8,581,893
- Issue date Nov 12, 2013
- Casio Computer Co., Ltd.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving circuit and driving method of active matrix display device,...
- Patent number 8,330,700
- Issue date Dec 11, 2012
- Casio Computer Co., Ltd.
- Shigeru Yamanaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display drive device and display apparatus having same
- Patent number 8,294,655
- Issue date Oct 23, 2012
- Casio Computer Co., Ltd.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Active matrix type display device which compensates for an electric...
- Patent number 8,159,435
- Issue date Apr 17, 2012
- Casio Computer Co., Ltd.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display drive device and display apparatus having same
- Patent number 7,511,691
- Issue date Mar 31, 2009
- Casio Computer Co., Ltd.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Power supply circuit
- Patent number 7,365,592
- Issue date Apr 29, 2008
- Casio Computer Co., Ltd.
- Ryuichi Hirayama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic recording and/or reproducing apparatus having single head...
- Patent number 5,089,918
- Issue date Feb 18, 1992
- Casio Computer Co., Ltd.
- Ryuichi Hirayama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
LIQUID CRYSTAL OPTICAL MODULATION DEVICE AND LIQUID CRYSTAL OPTICAL...
- Publication number 20200033655
- Publication date Jan 30, 2020
- Toppan Printing Co., Ltd.
- Ryuichi HIRAYAMA
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
LIQUID CRYSTAL DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME
- Publication number 20120075277
- Publication date Mar 29, 2012
- CASIO COMPUTER CO., LTD.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
POLYMER NETWORK LIQUID CRYSTAL DRIVING APPARATUS AND DRIVING METHOD...
- Publication number 20110157501
- Publication date Jun 30, 2011
- CASIO COMPUTER CO., LTD.
- Minoru USUI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20100156868
- Publication date Jun 24, 2010
- CASIO COMPUTER CO., LTD.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY DRIVE DEVICE AND DISPLAY APPARATUS HAVING SAME
- Publication number 20090146939
- Publication date Jun 11, 2009
- CASIO COMPUTER CO., LTD.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Active matrix type display device and driving method thereof
- Publication number 20080284776
- Publication date Nov 20, 2008
- CASIO COMPUTER CO., LTD.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Driving circuit and driving method of active matrix display device,...
- Publication number 20080238898
- Publication date Oct 2, 2008
- CASIO COMPUTER CO., LTD.
- Shigeru Yamanaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Power supply circuit
- Publication number 20060250739
- Publication date Nov 9, 2006
- CASIO COMPUTER CO., LTD.
- Ryuichi Hirayama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power supply circuit
- Publication number 20060139830
- Publication date Jun 29, 2006
- CASIO COMPUTER CO., LTD.
- Ryuichi Hirayama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Display drive device and display apparatus having same
- Publication number 20050156862
- Publication date Jul 21, 2005
- CASIO COMPUTER CO., LTD.
- Ryuichi Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Ryuichi Hirayama

Person

Patents Grantslast 30 patents

Liquid crystal optical modulation device and liquid crystal optical...

Liquid crystal display apparatus

Driving circuit and driving method of active matrix display device,...

Display drive device and display apparatus having same

Active matrix type display device which compensates for an electric...

Display drive device and display apparatus having same

Power supply circuit

Magnetic recording and/or reproducing apparatus having single head...

Patents Applicationslast 30 patents

LIQUID CRYSTAL OPTICAL MODULATION DEVICE AND LIQUID CRYSTAL OPTICAL...

LIQUID CRYSTAL DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME

POLYMER NETWORK LIQUID CRYSTAL DRIVING APPARATUS AND DRIVING METHOD...

LIQUID CRYSTAL DISPLAY APPARATUS

DISPLAY DRIVE DEVICE AND DISPLAY APPARATUS HAVING SAME

Active matrix type display device and driving method thereof

Driving circuit and driving method of active matrix display device,...

Power supply circuit

Power supply circuit

Display drive device and display apparatus having same