Hiroshi Ohtaka

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color reproduction correction circuit for color representation and...
- Patent number 6,940,559
- Issue date Sep 6, 2005
- Fujitsu Hitachi Plasma Display Limited
- Ken Kumakura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color reproduction correction circuit for color representation and...
- Patent number 6,753,930
- Issue date Jun 22, 2004
- Fujitsu Hitachi Plasma Display Limited
- Ken Kumakura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
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
Display panel driving method and discharge type display apparatus
- Patent number 6,404,411
- Issue date Jun 11, 2002
- Hitachi, Limited
- Takeo Masuda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Plasma display panel driving system and method
- Patent number 6,281,863
- Issue date Aug 28, 2001
- Hitachi, Ltd.
- Takashi Sasaki
- 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
Display apparatus and display method thereof
- Patent number 6,151,000
- Issue date Nov 21, 2000
- Hitachi, Ltd.
- Hiroshi Ohtaka
- 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
Plasma display system
- Patent number 5,939,826
- Issue date Aug 17, 1999
- Hitachi, Ltd.
- Michitaka Ohsawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma display apparatus and method of driving the same
- Patent number 5,889,501
- Issue date Mar 30, 1999
- Hitachi, Ltd.
- Takashi Sasaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Gas discharge display panel having communicable main and auxiliary...
- Patent number 5,818,168
- Issue date Oct 6, 1998
- Hitachi, Ltd.
- Nobuyuki Ushifusa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Plasma display apparatus and drive circuit with reduced effect of s...
- Publication number 20070285353
- Publication date Dec 13, 2007
- Yasuhito Igari
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Color reproduction correction circuit for color representation and...
- Publication number 20040218101
- Publication date Nov 4, 2004
- FUJITSU HITACHI PLASMA DISPLAY LIMITED
- Ken Kumakura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Color reproduction correction circuit for color representation and...
- Publication number 20020012073
- Publication date Jan 31, 2002
- FUJITSU HITACHI PLASMA DISPLAY LIMITED
- Ken Kumakura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hiroshi Ohtaka

Person

Patents Grantslast 30 patents

Color reproduction correction circuit for color representation and...

Color reproduction correction circuit for color representation and...

Color image display apparatus and method

Color image display apparatus and method

Display apparatus

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

Display panel driving method and discharge type display apparatus

Plasma display panel driving system and method

Display apparatus for displaying an image having gradation

Display apparatus and display method thereof

Color image display apparatus and method

Plasma display system

Plasma display apparatus and method of driving the same

Gas discharge display panel having communicable main and auxiliary...

Patents Applicationslast 30 patents

Plasma display apparatus and drive circuit with reduced effect of s...

Color reproduction correction circuit for color representation and...

Color image display apparatus and method

Display apparatus

Color reproduction correction circuit for color representation and...