Takaaki Toyama

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication network system and method for synchronously controlli...
- Patent number 7,035,264
- Issue date Apr 25, 2006
- Hitachi, Ltd.
- Takashi Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cell exchanging device
- Patent number 6,603,767
- Issue date Aug 5, 2003
- Hitachi, Ltd.
- Yasuo Murakami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable length packet switch
- Patent number 6,597,696
- Issue date Jul 22, 2003
- Hitachi, Ltd.
- Takaaki Toyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for multiplexing packets
- Patent number 6,556,567
- Issue date Apr 29, 2003
- Hitachi, Ltd.
- Yasuo Murakami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM switch
- Patent number 6,507,584
- Issue date Jan 14, 2003
- Hitachi, Ltd.
- Norihiko Moriwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplexing apparatus for transit of signals between service provi...
- Patent number 6,034,954
- Issue date Mar 7, 2000
- Hitachi, Ltd.
- Akihiko Takase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communication network system and method for synchronously controlli...
- Publication number 20040213247
- Publication date Oct 28, 2004
- Takashi Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE