Hiroaki Shirai

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Exchange for changing a route of a transmission path to bypass a ma...
- Patent number 6,418,115
- Issue date Jul 9, 2002
- Fujitsu Limited
- Toshiyuki Iino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signal transmission system having monitor equipment
- Patent number 5,369,633
- Issue date Nov 29, 1994
- Fujitsu Limited
- Akira Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Exchange for changing a route of a transmission path to bypass a ma...
- Publication number 20020105945
- Publication date Aug 8, 2002
- TOSHIYUKI IINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXCHANGE FOR CHANGING A ROUTE OF A TRANSMISSION PATH TO BYPASS A MA...
- Publication number 20020057647
- Publication date May 16, 2002
- TOSHIYUKI IINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE