Akihiko Kougami

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color image display apparatus and method
- Patent number 6,741,227
- Issue date May 25, 2004
- Hitachi, Ltd.
- Kazutaka Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
AC-type plasma display apparatus
- Patent number 6,633,268
- Issue date Oct 14, 2003
- Hitachi, Ltd.
- Akihiko Kougami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Color image display apparatus and method
- Patent number 6,518,977
- Issue date Feb 11, 2003
- Hitachi, Ltd.
- Kazutaka Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display apparatus
- Patent number 6,504,310
- Issue date Jan 7, 2003
- Hitachi, Ltd.
- Kazutaka Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display apparatus, display method and control-drive circuit for dis...
- Patent number 6,407,506
- Issue date Jun 18, 2002
- Hitachi, Ltd.
- Kazutaka Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Tone display method and apparatus for displaying image signal
- Patent number 6,333,766
- Issue date Dec 25, 2001
- Hitachi, Ltd.
- Akihiko Kougami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display apparatus for displaying an image having gradation
- Patent number 6,208,467
- Issue date Mar 27, 2001
- Hitachi, Ltd.
- Kazutaka Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Tone display method and apparatus for displaying image signal
- Patent number 6,100,939
- Issue date Aug 8, 2000
- Hitachi, Ltd.
- Akihiko Kougami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving method and apparatus for display device
- Patent number 6,028,573
- Issue date Feb 22, 2000
- Hitachi, Ltd.
- Isamu Orita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Color image display apparatus and method
- Patent number 6,014,258
- Issue date Jan 11, 2000
- Hitachi, Ltd.
- Kazutaka Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Switching circuit and display device using the same
- Patent number 6,008,687
- Issue date Dec 28, 1999
- Hitachi, Ltd.
- Isamu Orita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving apparatus for a gas discharge display panel
- Patent number 4,799,058
- Issue date Jan 17, 1989
- Hitachi, Ltd.
- Yukio Okamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Magnetic recording method for digital signal
- Patent number 4,521,816
- Issue date Jun 4, 1985
- Hitachi Denshi Kabushiki Kaisha
- Akihiko Kougami
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Color image display apparatus and method
- Publication number 20020191008
- Publication date Dec 19, 2002
- Kazutaka Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Display apparatus
- Publication number 20020140366
- Publication date Oct 3, 2002
- Kazutaka Naka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
AC-type plasma display apparatus
- Publication number 20020109650
- Publication date Aug 15, 2002
- Akihiko Kougami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Akihiko Kougami

Person

Patents Grantslast 30 patents

Color image display apparatus and method

AC-type plasma display apparatus

Color image display apparatus and method

Display apparatus

Display apparatus, display method and control-drive circuit for dis...

Tone display method and apparatus for displaying image signal

Display apparatus for displaying an image having gradation

Tone display method and apparatus for displaying image signal

Driving method and apparatus for display device

Color image display apparatus and method

Switching circuit and display device using the same

Driving apparatus for a gas discharge display panel

Magnetic recording method for digital signal

Patents Applicationslast 30 patents

Color image display apparatus and method

Display apparatus

AC-type plasma display apparatus