Tomoko Umezawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for encoding audio signals divided into a plur...
- Patent number RE36559
- Issue date Feb 8, 2000
- Sony Corporation
- Yoshihito Fujiwara
- 341 - Coded data generation or conversion
Information Patent Grant
Digital signal encoding apparatus
- Patent number 5,151,941
- Issue date Sep 29, 1992
- Sony Corporation
- Masayuki Nishiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for encoding voice signals divided into a plur...
- Patent number 5,115,240
- Issue date May 19, 1992
- Sony Corporation
- Yoshihito Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE