Tetsuya Kawahara

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data transfer system
- Patent number 5,706,281
- Issue date Jan 6, 1998
- Hitachi, Ltd.
- Shin-ichi Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for creating less amount of compressd image da...
- Patent number 5,666,161
- Issue date Sep 9, 1997
- Hitachi, Ltd.
- Tomohisa Kohiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Client/server system and mail reception/display control method
- Patent number 5,483,466
- Issue date Jan 9, 1996
- Hitachi, Ltd.
- Tetsuya Kawahara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information communication system for point-to-point communication a...
- Patent number 5,396,485
- Issue date Mar 7, 1995
- Hitachi, Ltd.
- Shuji Ohno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE