Ikuo Aso

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Koriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
ATM device, subscriber system, communication system and backup method
- Patent number 6,898,178
- Issue date May 24, 2005
- Hitachi Telecom Technologies, Ltd.
- Ikuo Aso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Line switching system and line switching unit of dynamic band varia...
- Patent number 6,862,290
- Issue date Mar 1, 2005
- Hitachi Telecom Technologies, LTD.
- Ikuo Aso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple band change-over method for multiplex communication equipment
- Patent number 6,215,794
- Issue date Apr 10, 2001
- Hitachi Telecom Technologies, Ltd.
- Sakae Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Maintenance and supervisory control method and system for multiplex...
- Patent number 6,031,824
- Issue date Feb 29, 2000
- Hitachi Telecom Technologies, Ltd.
- Kazumasa Azuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplex communication equipment and communication test method the...
- Patent number 5,999,516
- Issue date Dec 7, 1999
- Hitachi Telecom Technologies, Ltd.
- Kaoru Suzuki
- G08 - SIGNALLING
Information Patent Grant
Circuit switching control method for multiplex communication equipment
- Patent number 5,953,313
- Issue date Sep 14, 1999
- Hitachi Telecom Technologies Ltd.
- Ikuo Aso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ATM device, subscriber system, communication system and backup method
- Publication number 20020141335
- Publication date Oct 3, 2002
- Ikuo Aso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE