Masataka Kawamura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Time division multiplex data transmission method and apparatus
- Patent number 4,805,165
- Issue date Feb 14, 1989
- Iwatsu Electric Co., Ltd.
- Masataka Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time division multiplex data transfer system and method for telepho...
- Patent number 4,658,397
- Issue date Apr 14, 1987
- Iwatsu Electric Co., Ltd.
- Masataka Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE