Masahiko Achiha

Person

Iruma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Video signal processing apparatus for video tape recorder
- Patent number 4,970,601
- Issue date Nov 13, 1990
- Hitachi, Ltd.
- Masahiko Achiha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detection circuit for detecting standard television signals and non...
- Patent number 4,821,112
- Issue date Apr 11, 1989
- Hitachi, Ltd.
- Toshiyuki Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Movement detector for composite color television signals
- Patent number 4,811,092
- Issue date Mar 7, 1989
- Hitachi, Ltd.
- Masahiko Achiha
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Movement detection circuit of a video signal used in a television r...
- Patent number 4,794,454
- Issue date Dec 27, 1988
- Hitachi, Ltd.
- Masato Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Motion detector for chrominance signal in TV receiver
- Patent number 4,775,888
- Issue date Oct 4, 1988
- Hitachi, Ltd.
- Isao Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television signal processing circuit
- Patent number 4,739,390
- Issue date Apr 19, 1988
- Hitachi, Ltd.
- Masahiko Achiha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Motion detector for chrominance signal in TV receiver
- Patent number 4,736,252
- Issue date Apr 5, 1988
- Hitachi, Ltd.
- Isao Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Movement detection circuit for television signals
- Patent number 4,688,084
- Issue date Aug 18, 1987
- Hitachi, Ltd.
- Masahiko Achiha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scanning line interpolation circuit for television signal
- Patent number 4,636,857
- Issue date Jan 13, 1987
- Hitachi, Ltd.
- Masahiko Achiha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Motion detecting circuit utilizing inter-frame difference signals o...
- Patent number 4,626,891
- Issue date Dec 2, 1986
- Hitachi, Ltd.
- Masahiko Achiha
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color television signal processing circuit
- Patent number 4,530,004
- Issue date Jul 16, 1985
- Hitachi, Ltd.
- Masahiko Achiha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase adjusting system for carrier chrominance signal
- Patent number 4,348,689
- Issue date Sep 7, 1982
- Hitachi, Ltd.
- Masahiko Achiha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reducing system
- Patent number 4,296,436
- Issue date Oct 20, 1981
- Hitachi, Ltd.
- Masahiko Achiha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital video and audio file system
- Patent number 4,295,154
- Issue date Oct 13, 1981
- Nippon Telegraph, Telephone Public Corp.
- Hidetoh Hata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masahiko Achiha

Person

Patents Grantslast 30 patents

Video signal processing apparatus for video tape recorder

Detection circuit for detecting standard television signals and non...

Movement detector for composite color television signals

Movement detection circuit of a video signal used in a television r...

Motion detector for chrominance signal in TV receiver

Television signal processing circuit

Motion detector for chrominance signal in TV receiver

Movement detection circuit for television signals

Scanning line interpolation circuit for television signal

Motion detecting circuit utilizing inter-frame difference signals o...

Color television signal processing circuit

Phase adjusting system for carrier chrominance signal

Noise reducing system

Digital video and audio file system