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Kenji Matsumura
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Method and system for switching variable-length packets
Patent number
7,289,510
Issue date
Oct 30, 2007
NEC Corporation
Kenji Matsumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM system for conducting rate control of ATM traffic
Patent number
6,304,554
Issue date
Oct 16, 2001
NEC Corporation
Kenji Matsumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM link switching over method and apparatus
Patent number
6,269,077
Issue date
Jul 31, 2001
NEC Corporation
Kenji Matsumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CONGESTION CONTROL SYSTEM, CALL SESSION CONTROL DEVICE, BORDER GATE...
Publication number
20090303875
Publication date
Dec 10, 2009
Kenji Matsumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for switching variable-length packets
Publication number
20030012191
Publication date
Jan 16, 2003
Kenji Matsumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Lead frame and semiconductor package formed using it
Publication number
20020153596
Publication date
Oct 24, 2002
Kunihiro Tsubosaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Multi-rate ATM switching system and method
Publication number
20010003528
Publication date
Jun 14, 2001
NEC Corporation
Kenji Matsumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE