Hirofumi Muramatsu

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Battery storage structure for acoustic equipment
- Patent number 8,415,051
- Issue date Apr 9, 2013
- Roland Corporation
- Yasunori Nagaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BATTERY STORAGE STRUCTURE FOR ACOUSTIC EQUIPMENT
- Publication number 20110076551
- Publication date Mar 31, 2011
- ROLAND CORPORATION
- Yasunori Nagaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE