Masayuki Kumazawa

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Fukuoka-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for packet transmission
- Patent number 7,120,159
- Issue date Oct 10, 2006
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Kumazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data terminal equipment
- Patent number 7,058,810
- Issue date Jun 6, 2006
- Matshushita Electric Industrial Co., Ltd.
- Masayuki Kumazawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
IP packet transmission apparatus, IP packet transmission method, an...
- Publication number 20040160964
- Publication date Aug 19, 2004
- Shinichi Tsumori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet transmission apparatus and method thereof, traffic condition...
- Publication number 20040125815
- Publication date Jul 1, 2004
- Mikio Shimazu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet-transmitting apparatus and method
- Publication number 20030218976
- Publication date Nov 27, 2003
- Masayuki Kumazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Band guarantee system, relay device, and network management server
- Publication number 20030081559
- Publication date May 1, 2003
- Makoto Matuoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for packet transmission
- Publication number 20020114340
- Publication date Aug 22, 2002
- Masayuki Kumazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data terminal equipment
- Publication number 20020016915
- Publication date Feb 7, 2002
- Masayuki Kumazawa
- G06 - COMPUTING CALCULATING COUNTING