Kazukuni Ugai

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Frame multiplexing device
- Patent number 7,961,744
- Issue date Jun 14, 2011
- Fujitsu Limited
- Kazukuni Ugai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection that automatic and speedily restore of Ethernet ring net...
- Patent number 7,440,397
- Issue date Oct 21, 2008
- Fujitsu Limited
- Osamu Tsurumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Frame multiplexing device
- Publication number 20070230492
- Publication date Oct 4, 2007
- FUJITSU LIMITED
- Kazukuni Ugai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Protection that automatic and speedily restore of ethernet ring net...
- Publication number 20050207348
- Publication date Sep 22, 2005
- Osamu Tsurumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE