Kazuhiro Arai

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Hamamatsu-city, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emission control device
- Patent number 8,937,239
- Issue date Jan 20, 2015
- Roland Corporation
- Ryo Takasaki
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMISSION CONTROL DEVICE
- Publication number 20130098224
- Publication date Apr 25, 2013
- ROLAND CORPORATION
- Ryo Takasaki
- A63 - SPORTS GAMES AMUSEMENTS