Ryuji Imazu

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Hokkaido, JP

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Patents Grantslast 30 patents

Information Patent Grant
Road traffic weather-monitoring system and self-luminous road sign...
- Patent number 7,095,337
- Issue date Aug 22, 2006
- Sekisui Jushi Kabushiki Kaisha
- Terumasa Sudou
- G08 - SIGNALLING
Information Patent Grant
Road traffic weather observation system and self-emission road sign...
- Patent number 6,812,855
- Issue date Nov 2, 2004
- Sekisui Jushi Kabushiki Kaisha
- Terumasa Sudou
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Road traffic weather-monitoring system and self-luminous road sign...
- Publication number 20050001739
- Publication date Jan 6, 2005
- Terumasa Sudou
- G08 - SIGNALLING