Keiichirou Etou

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Patents Grantslast 30 patents

Information Patent Grant
Location information management method and location management system
- Patent number 8,717,973
- Issue date May 6, 2014
- Fujitsu Limited
- Yuji Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Presence information management method and presence information man...
- Publication number 20080046525
- Publication date Feb 21, 2008
- Yuji Ito
- G06 - COMPUTING CALCULATING COUNTING