Ryu Yokoyama

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Navigation device, server, navigation method and program
- Patent number 9,097,550
- Issue date Aug 4, 2015
- Pioneer Corporation
- Ryu Yokoyama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
NAVIGATION DEVICE, SERVER, NAVIGATION METHOD AND PROGRAM
- Publication number 20150106013
- Publication date Apr 16, 2015
- PIONEER CORPORATION
- Ryu Yokoyama
- G01 - MEASURING TESTING
Information Patent Application
TERMINAL DEVICE, IMAGE DISPLAYING METHOD AND IMAGE DISPLAYING PROGR...
- Publication number 20130231861
- Publication date Sep 5, 2013
- PIONEER CORPORATION
- Ryu Yokoyama
- G01 - MEASURING TESTING