Tsutomu Nishizawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Physical exercise condition detecting apparatus of muscle force tra...
- Patent number 7,922,621
- Issue date Apr 12, 2011
- System Instruments Co., Ltd.
- Kazuyuki Hamada
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PHYSICAL EXERCISE CONDITION DETECTING APPARATUS OF MUSCLE FORCE TRA...
- Publication number 20110077128
- Publication date Mar 31, 2011
- SYSTEM INSTRUMENTS CO., LTD.
- Kazuyuki Hamada
- A63 - SPORTS GAMES AMUSEMENTS