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Masaki Kira
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Kawasaki, JP
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last 30 patents
Information
Patent Grant
Switching system for controlling internal apparatuses in an exchang...
Patent number
6,671,760
Issue date
Dec 30, 2003
Fujitsu Limited
Hiroya Kawasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication path quality monitoring method and quality monitoring...
Patent number
6,477,141
Issue date
Nov 5, 2002
Fujitsu Limited
Naoyuki Izawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
In-station control system and method
Patent number
6,343,102
Issue date
Jan 29, 2002
Fujitsu Limited
Masaki Kira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for preventing malfunction at time of duplex unit failure
Patent number
5,958,069
Issue date
Sep 28, 1999
Fujitsu Limited
Hiroya Kawasaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Circuit for providing digital data having high clarity in a digital...
Patent number
5,329,538
Issue date
Jul 12, 1994
Fujitsu Limited
Hisato Kawano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Time-multiplexed highway line designating system
Patent number
5,299,187
Issue date
Mar 29, 1994
Fujitsu Limited
Takashi Tabu
H04 - ELECTRIC COMMUNICATION TECHNIQUE