Tohru Sugihara

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Patents Grantslast 30 patents

Information Patent Grant
Noise reduction method and apparatus utilizing filtering of a dithe...
- Patent number 5,774,842
- Issue date Jun 30, 1998
- Sony Corporation
- Ayataka Nishio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise shaping circuit and noise shaping method
- Patent number 5,493,296
- Issue date Feb 20, 1996
- Sony Corporation
- Tohru Sugihara
- G11 - INFORMATION STORAGE