Toshiaki Isogawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic view finder apparatus
- Patent number 6,633,731
- Issue date Oct 14, 2003
- Sony Corporation
- Yusuke Nanjo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of driving backlight, circuit for driving backlight, and ele...
- Patent number 6,466,196
- Issue date Oct 15, 2002
- Sony Corporation
- Toshiaki Isogawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Sequential EEPROM writing apparatus which sequentially and repetiti...
- Patent number 5,689,676
- Issue date Nov 18, 1997
- Sony Corporation
- Harumi Hirose
- G11 - INFORMATION STORAGE
Information Patent Grant
Arrangement for controlling an iris to regulate light in an optical...
- Patent number 5,483,280
- Issue date Jan 9, 1996
- Sony Corporation
- Yoshikazu Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video camera
- Patent number 5,386,231
- Issue date Jan 31, 1995
- Sony Corporation
- Shuji Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image enhancer which utilizes a lowpass filter after an outline ext...
- Patent number 5,032,909
- Issue date Jul 16, 1991
- Sony Corporation
- Mitsuru Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal inverting circuit
- Patent number 4,630,116
- Issue date Dec 16, 1986
- Sony Corporation
- Toshiaki Isogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video camera gain control circuit
- Patent number 4,623,933
- Issue date Nov 18, 1986
- Sony Corporation
- Joichi Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gamma compensating circuit
- Patent number 4,589,021
- Issue date May 13, 1986
- Sony Corporation
- Joichi Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Electronic view finder apparatus
- Publication number 20020039491
- Publication date Apr 4, 2002
- Yusuke Nanjo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Toshiaki Isogawa

Person

Patents Grantslast 30 patents

Electronic view finder apparatus

Method of driving backlight, circuit for driving backlight, and ele...

Sequential EEPROM writing apparatus which sequentially and repetiti...

Arrangement for controlling an iris to regulate light in an optical...

Video camera

Image enhancer which utilizes a lowpass filter after an outline ext...

Video signal inverting circuit

Video camera gain control circuit

Gamma compensating circuit

Patents Applicationslast 30 patents

Electronic view finder apparatus