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Atsushi Kubotera
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Fujisawa, JP
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last 30 patents
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Patent Grant
Terminal multiplexer and method of constructing the terminal multip...
Patent number
6,219,336
Issue date
Apr 17, 2001
Hitachi, Ltd.
Masatoshi Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Path switching method, path switching apparatus and nodes of UPSR
Patent number
6,205,562
Issue date
Mar 20, 2001
Hitachi, Ltd.
Takao Fukushima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Terminal multiplexer and method of constructing the terminal multip...
Patent number
6,049,525
Issue date
Apr 11, 2000
Hitachi, Ltd.
Masatoshi Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Path switching method, path switching apparatus and nodes of UPSR
Patent number
6,038,678
Issue date
Mar 14, 2000
Hitachi, Ltd.
Takao Fukushima
G06 - COMPUTING CALCULATING COUNTING