Hiroshi Kawawata

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data gateway unit and data gateway method
- Patent number 6,671,730
- Issue date Dec 30, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Shinji Akatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice packet assembling/disassembling apparatus
- Patent number 5,379,293
- Issue date Jan 3, 1995
- Shin Kanno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice packet assembling/disassembling apparatus
- Patent number 5,249,185
- Issue date Sep 28, 1993
- Nippon Telephone and Telegraph Corporation
- Shin Kanno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE