Masumi Ogawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for reducing noise in a video signal
- Patent number 5,146,330
- Issue date Sep 8, 1992
- Sony Corporation
- Takashi Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reduction circuit
- Patent number 4,961,113
- Issue date Oct 2, 1990
- Sony Corporation
- Takashi Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound intermediate frequency discriminator
- Patent number 4,758,794
- Issue date Jul 19, 1988
- Sony Corporation
- Masumi Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intercarrier sound detecting apparatus for a television receiver
- Patent number 4,551,756
- Issue date Nov 5, 1985
- Sony Corporation
- Masumi Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE