Hajime Sumiyoshi

Person

Fukaya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic white balance adjusting circuit in color image display
- Patent number 6,529,247
- Issue date Mar 4, 2003
- Kabushiki Kaisha Toshiba
- Reiji Tagomori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic white balance adjusting circuit in color image display
- Patent number 6,437,833
- Issue date Aug 20, 2002
- Kabushiki Kaisha Toshiba
- Reiji Tagomori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse generation device having integrating circuit having substanti...
- Patent number 6,201,426
- Issue date Mar 13, 2001
- Kabushiki Kaisha Toshiba
- Hajime Sumiyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Horizontal synchronizing apparatus
- Patent number 5,760,839
- Issue date Jun 2, 1998
- Kabushiki Kaisha Toshiba
- Hajime Sumiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television receiver that controls display contrast based on the typ...
- Patent number 5,596,374
- Issue date Jan 21, 1997
- Kabushiki Kaisha Toshiba
- Hajime Sumiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal processing pulse producing circuit
- Patent number 5,140,421
- Issue date Aug 18, 1992
- Kabushiki Kaisha Toshiba
- Hajime Sumiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auto-tuning circuit for an active filter used in video signal proce...
- Patent number 5,072,298
- Issue date Dec 10, 1991
- Kabushiki Kaisha Toshiba
- Hajime Sumiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronizing signal separation circuit for a television receiver
- Patent number 4,882,624
- Issue date Nov 21, 1989
- Kabushiki Kaisha Toshiba
- Hajime Sumiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sync signal reproducing circuit in television receivers
- Patent number 4,647,970
- Issue date Mar 3, 1987
- Kabushiki Kaisha Toshiba
- Hajime Sumiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Automatic white balance adjusting circuit in color image display
- Publication number 20020149701
- Publication date Oct 17, 2002
- Reiji Tagomori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hajime Sumiyoshi

Person

Patents Grantslast 30 patents

Automatic white balance adjusting circuit in color image display

Automatic white balance adjusting circuit in color image display

Pulse generation device having integrating circuit having substanti...

Horizontal synchronizing apparatus

Television receiver that controls display contrast based on the typ...

Video signal processing pulse producing circuit

Auto-tuning circuit for an active filter used in video signal proce...

Synchronizing signal separation circuit for a television receiver

Sync signal reproducing circuit in television receivers

Patents Applicationslast 30 patents

Automatic white balance adjusting circuit in color image display