Yumi Katayama

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Saitama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
DSL communication apparatus, and download method of DSL communicati...
- Patent number 7,584,295
- Issue date Sep 1, 2009
- Panasonic Corporation
- Yumi Katayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DSL communication apparatus, and download method of DSL communicati...
- Publication number 20030233481
- Publication date Dec 18, 2003
- PANASONIC COMMUNICATIONS CO., LTD.
- Yumi Katayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE