Yoichi Wakai

Person

Suwa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image processing method and image processing system using the same
- Patent number 7,864,350
- Issue date Jan 4, 2011
- Seiko Epson Corporation
- Masakatsu Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing method and image processing system using the same
- Patent number 7,426,051
- Issue date Sep 16, 2008
- Seiko Epson Corporation
- Masakatsu Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing method and image processing system using the same
- Patent number 7,400,421
- Issue date Jul 15, 2008
- Seiko Epson Corporation
- Masakatsu Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic data distribution apparatus and distribution method
- Patent number 6,662,080
- Issue date Dec 9, 2003
- Seiko Epson Corporation
- Yoichi Wakai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of driving liquid crystal display device that reduces afteri...
- Patent number 6,271,817
- Issue date Aug 7, 2001
- Seiko Epson Corporation
- Yoichi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of driving an active matrix type liquid crystal display
- Patent number 5,790,089
- Issue date Aug 4, 1998
- Seiko Epson Corporation
- Nagamasa Ono
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of driving an active matrix type liquid crystal display
- Patent number 5,526,013
- Issue date Jun 11, 1996
- Seiko Epson Corp.
- Nagamasa Ono
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of driving a liquid crystal display device
- Patent number 5,247,376
- Issue date Sep 21, 1993
- Seiko Epson Corporation
- Yoichi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method for driving a liquid crystal display device
- Patent number 4,908,710
- Issue date Mar 13, 1990
- Seiko Epson Corporation
- Yoichi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal video display device having pulse-width modulated "O...
- Patent number 4,743,096
- Issue date May 10, 1988
- Seiko Epson Kabushiki Kaisha
- Yoichi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pocket television receivers
- Patent number 4,646,157
- Issue date Feb 24, 1987
- Seiko Epson Kabushiki Kaisha
- Yoichi Wakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microprogram control circuit
- Patent number 4,408,328
- Issue date Oct 4, 1983
- Kabushiki Kaisha Suwa Seikosha
- Yoichi Wakai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic timepiece
- Patent number 4,344,161
- Issue date Aug 10, 1982
- Kabushiki Kaisha Suwa Seikosha
- Yoichi Wakai
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Image processing method and image processing system using the same
- Publication number 20070222862
- Publication date Sep 27, 2007
- Seiko Epson Corporation
- Masakatsu Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Printing device and printing method
- Publication number 20070019018
- Publication date Jan 25, 2007
- SEIKO EPSON CORPORATION
- Yoichi Wakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Printing device and printing method
- Publication number 20070019020
- Publication date Jan 25, 2007
- SEIKO EPSON CORPORATION
- Yoichi Wakai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing method and image processing system using the same
- Publication number 20040184078
- Publication date Sep 23, 2004
- Masakatsu Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing method and image processing system using the same
- Publication number 20040179105
- Publication date Sep 16, 2004
- Masakatsu Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing method and image processing system using the same
- Publication number 20040179103
- Publication date Sep 16, 2004
- Masakatsu Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing method and image processing system using the same
- Publication number 20040179221
- Publication date Sep 16, 2004
- Masakatsu Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHODS FOR PUBLISHING AND DISTRIBUTING AN ELECTRONIC BOOK
- Publication number 20020138520
- Publication date Sep 26, 2002
- SEIKO EPSON CORPORATION
- Yoichi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electronic data distribution apparatus and distribution method
- Publication number 20020062220
- Publication date May 23, 2002
- SEIKO EPSON CORPORATION
- Yoichi Wakai
- G06 - COMPUTING CALCULATING COUNTING

Yoichi Wakai

Person

Patents Grantslast 30 patents

Image processing method and image processing system using the same

Image processing method and image processing system using the same

Image processing method and image processing system using the same

Electronic data distribution apparatus and distribution method

Method of driving liquid crystal display device that reduces afteri...

Method of driving an active matrix type liquid crystal display

Method of driving an active matrix type liquid crystal display

Method of driving a liquid crystal display device

Method for driving a liquid crystal display device

Liquid crystal video display device having pulse-width modulated "O...

Pocket television receivers

Microprogram control circuit

Electronic timepiece

Patents Applicationslast 30 patents

Image processing method and image processing system using the same

Printing device and printing method

Printing device and printing method

Image processing method and image processing system using the same

Image processing method and image processing system using the same

Image processing method and image processing system using the same

Image processing method and image processing system using the same

SYSTEM AND METHODS FOR PUBLISHING AND DISTRIBUTING AN ELECTRONIC BOOK

Electronic data distribution apparatus and distribution method