Shigeo Iwata

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Positional information management system, positional information ma...
- Patent number 7,640,268
- Issue date Dec 29, 2009
- Ricoh Company, Ltd.
- Hideo Gotoh
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Positional information management system, positional information ma...
- Publication number 20030217070
- Publication date Nov 20, 2003
- Hideo Gotoh
- G08 - SIGNALLING