Hiroshi Ohnuma

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic azimuth measurement apparatus
- Patent number 7,317,315
- Issue date Jan 8, 2008
- Sony Corporation
- Manabu Aizawa
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Magnetic azimuth measurement apparatus
- Publication number 20040135576
- Publication date Jul 15, 2004
- Manabu Aizawa
- G01 - MEASURING TESTING