Yuka Oikawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for recording digital video signals
- Patent number 5,835,664
- Issue date Nov 10, 1998
- Sony Corporation
- Yuka Oikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for reproducing digital video signals
- Patent number 5,710,858
- Issue date Jan 20, 1998
- Sony Corporation
- Yuka Oikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for modifying the quantization step of each ma...
- Patent number 5,677,734
- Issue date Oct 14, 1997
- Sony Corporation
- Yuka Oikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital video signal reproducing apparatus with high-speed play mode
- Patent number 5,434,677
- Issue date Jul 18, 1995
- Sony Corporation
- Yuka Oikawa
- G11 - INFORMATION STORAGE