Isao Umezawa

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Tottori-Shi Tottori, JP

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Patents Grantslast 30 patents

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- Patent number 7,054,746
- Issue date May 30, 2006
- Sanyo Electric Co., LTD
- Kiyoshi Kodani
- G08 - SIGNALLING

Patents Applicationslast 30 patents

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- Publication number 20040117109
- Publication date Jun 17, 2004
- Kiyoshi Kodani
- G08 - SIGNALLING