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Masami Murayama
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Intra-station control system for connectionless communications system
Patent number
7,551,612
Issue date
Jun 23, 2009
Fujitsu Limited
Yasusi Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hybrid exchange, an exchange, and a re-arrangement method for STM d...
Patent number
6,560,219
Issue date
May 6, 2003
Fujitsu Limited
Takashi Tabu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device for testing synchronous-transfer-mode switch
Patent number
6,519,230
Issue date
Feb 11, 2003
Fujitsu Limited
Masami Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Connectionless communication system
Patent number
6,411,620
Issue date
Jun 25, 2002
Fujitsu Limited
Tadahiro Takase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Connectionless communications system, its test method, and intra-st...
Patent number
6,333,932
Issue date
Dec 25, 2001
Fujitsu Limited
Yasusi Kobayasi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Supervision control system
Patent number
RE37435
Issue date
Nov 6, 2001
Fujitsu Limited
Shuji Yoshimura
370 - Multiplex communications
Information
Patent Grant
Connectionless communication system
Patent number
5,809,012
Issue date
Sep 15, 1998
Fujitsu Limited
Tadahiro Takase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Simultaneously-occuring message control device in a communications...
Patent number
5,796,734
Issue date
Aug 18, 1998
Fujitsu Limited
Naoyuki Izawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for monitoring errors occurring in data processed...
Patent number
5,784,274
Issue date
Jul 21, 1998
Fujitsu Limited
Masami Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Virtual channel converter and VCC table access method
Patent number
5,691,977
Issue date
Nov 25, 1997
Fujitsu Limited
Shuji Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Connectionless communication system
Patent number
5,689,501
Issue date
Nov 18, 1997
Fujitsu Limited
Tadahiro Takase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subscriber information processing method in a connectionless data s...
Patent number
5,561,662
Issue date
Oct 1, 1996
Fujitus Limited
Satoshi Kakuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Self routing exchange and exchange system
Patent number
5,555,243
Issue date
Sep 10, 1996
Fujitsu Limited
Satoshi Kakuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control data transmission system
Patent number
5,532,682
Issue date
Jul 2, 1996
Fujitsu Limited
Masami Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Procedure for switching-over systems
Patent number
5,488,606
Issue date
Jan 30, 1996
Fujitsu Limited
Satoshi Kakuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Point-to-multipoint connection system
Patent number
5,487,063
Issue date
Jan 23, 1996
Fujitsu Limited
Satoshi Kakuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Supervision control system
Patent number
5,394,396
Issue date
Feb 28, 1995
Fujitsu Limited
Shuji Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signaling data receiving and processing unit provided in a broadban...
Patent number
5,369,649
Issue date
Nov 29, 1994
Fujitsu Limited
Masami Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for testing ATM channels
Patent number
5,313,453
Issue date
May 17, 1994
Fujitsu Limited
Yoshihiro Uchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for detecting fault in ATM switch
Patent number
5,299,209
Issue date
Mar 29, 1994
Fujitsu Limited
Masami Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controller for distributing loads among call processors
Patent number
5,239,539
Issue date
Aug 24, 1993
Fujitsu Limited
Yoshihiro Uchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switch stage number setting apparatus for MSSR channels
Patent number
5,191,577
Issue date
Mar 2, 1993
Fujitsu Limited
Yoshihiro Uchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signaling cell switching system
Patent number
5,185,743
Issue date
Feb 9, 1993
Fujitsu Limited
Masami Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for establishing identical data in dual ATM sw...
Patent number
5,153,578
Issue date
Oct 6, 1992
Fujitsu Limited
Naoyuki Izawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital switch module having encoding law conversion capability
Patent number
4,661,946
Issue date
Apr 28, 1987
Fujitsu Limited
Atsuhisa Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CONNECTIONLESS COMMUNICATIONS SYSTEM, ITS TEST METHOD, AND INTRA-ST...
Publication number
20030179712
Publication date
Sep 25, 2003
YASUSI KOBAYASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONNECTIONLESS COMMUNICATION SYSTEM
Publication number
20020101871
Publication date
Aug 1, 2002
FUJITSU LIMITED
Tadahiro TAKASE
H04 - ELECTRIC COMMUNICATION TECHNIQUE