Hideaki Sadamatsu

Person

Hirakata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image-tone control circuit and gradient adjusting circuit therefor
- Patent number 5,391,944
- Issue date Feb 21, 1995
- Matsushita Electric Industrial Co., Ltd.
- Hideaki Sadamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic image-tone control circuit and method for controlling bri...
- Patent number 5,307,166
- Issue date Apr 26, 1994
- Matsushita Electric Industrial Co., Ltd.
- Hideaki Sadamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video tone correction control circuit
- Patent number 5,299,008
- Issue date Mar 29, 1994
- Matsushita Electric Industrial Co., Ltd.
- Hideaki Sadamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Black level compensation circuit for a luminance signal
- Patent number 5,262,862
- Issue date Nov 16, 1993
- Matsushita Electric Industrial Co., Ltd.
- Hideaki Sadamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor integrated circuit arrangement for preventing latch up
- Patent number 5,237,195
- Issue date Aug 17, 1993
- Matsushita Electric Industrial Co., Ltd.
- Hideaki Sadamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image signal average picture level detecting apparatus
- Patent number 5,223,927
- Issue date Jun 29, 1993
- Matsushita Electric Industrial Co., Ltd.
- Atsuhisa Kageyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for making semiconductor device
- Patent number 4,536,950
- Issue date Aug 27, 1985
- Matsushita Electric Industrial Co., Ltd.
- Hideaki Sadamatsu
- H01 - BASIC ELECTRIC ELEMENTS

Hideaki Sadamatsu

Person

Patents Grantslast 30 patents

Image-tone control circuit and gradient adjusting circuit therefor

Automatic image-tone control circuit and method for controlling bri...

Video tone correction control circuit

Black level compensation circuit for a luminance signal

Semiconductor integrated circuit arrangement for preventing latch up

Image signal average picture level detecting apparatus

Method for making semiconductor device