Katashi Hazama

Person

Zushi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical information medium with sample mark area and multiple trans...
- Patent number 4,991,163
- Issue date Feb 5, 1991
- Hitachi, Ltd.
- Nobuhiro Tokushuku
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal reproducing circuit for a video tape recorder
- Patent number 4,510,530
- Issue date Apr 9, 1985
- Hitachi, Ltd.
- Kuniaki Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Surface acoustic wave device and method for manufacturing the same
- Patent number 4,427,515
- Issue date Jan 24, 1984
- Hitachi, Ltd.
- Akitsuna Yuhara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Unidirectional surface acoustic wave device with meandering electrode
- Patent number 4,422,000
- Issue date Dec 20, 1983
- Hitachi, Ltd.
- Jun Yamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave device
- Patent number 4,396,851
- Issue date Aug 2, 1983
- Hitachi, Ltd.
- Kiyoharu Kishimoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave device
- Patent number 4,390,807
- Issue date Jun 28, 1983
- Hitachi, Ltd.
- Kiyoharu Kishimoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface-acoustic-wave filter for channel selection system of televi...
- Patent number 4,296,391
- Issue date Oct 20, 1981
- Hitachi, Ltd.
- Katashi Hazama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Elastic surface wave filter
- Patent number 4,223,285
- Issue date Sep 16, 1980
- Hitachi, Ltd.
- Katashi Hazama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Elastic surface wave filter for color television receiver
- Patent number 4,212,029
- Issue date Jul 8, 1980
- Hitachi, Ltd.
- Takeshi Murakami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric surface acoustic wave device with suppression of refl...
- Patent number 4,206,380
- Issue date Jun 3, 1980
- Hitachi, Ltd.
- Katashi Hazama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Elastic surface wave device
- Patent number 4,201,964
- Issue date May 6, 1980
- Hitachi, Ltd.
- Yoshihiko Noro
- H03 - BASIC ELECTRONIC CIRCUITRY

Katashi Hazama

Person

Patents Grantslast 30 patents

Optical information medium with sample mark area and multiple trans...

Signal reproducing circuit for a video tape recorder

Surface acoustic wave device and method for manufacturing the same

Unidirectional surface acoustic wave device with meandering electrode

Surface acoustic wave device

Surface acoustic wave device

Surface-acoustic-wave filter for channel selection system of televi...

Elastic surface wave filter

Elastic surface wave filter for color television receiver

Piezoelectric surface acoustic wave device with suppression of refl...

Elastic surface wave device