Masafumi Kazumi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
D/A converter
- Patent number 4,581,600
- Issue date Apr 8, 1986
- Hitachi, Ltd.
- Yuji Ito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transversal filter incorporating MOS-transistor amplifiers
- Patent number 4,577,228
- Issue date Mar 18, 1986
- Hitachi, Ltd.
- Ikuya Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transfer system using a charge transfer device
- Patent number 4,574,384
- Issue date Mar 4, 1986
- Hitachi, Ltd.
- Toshinori Murata
- G11 - INFORMATION STORAGE
Information Patent Grant
MOS-Transistor amplifier
- Patent number 4,563,654
- Issue date Jan 7, 1986
- Hitachi, Ltd.
- Ikuya Arai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ghost reduction circuit for a television receiver
- Patent number 4,559,560
- Issue date Dec 17, 1985
- Hitachi, Ltd.
- Toshinori Murata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ghost reduction circuit for television receiver
- Patent number 4,476,491
- Issue date Oct 9, 1984
- Hitachi, Ltd.
- Toshinori Murata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE