Keizo Yoshikawa

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ground coil device for magnetic levitation railway and method for m...
- Patent number 7,950,334
- Issue date May 31, 2011
- Idemitsu Kosan Co., Ltd.
- Tomomi Hasegawa
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
GROUND COIL DEVICE FOR MAGNETIC LEVITATION RAILWAY AND METHOD FOR M...
- Publication number 20090078150
- Publication date Mar 26, 2009
- IDEMITSU KOSAN CO., LTD.
- Tomomi Hasegawa
- B60 - VEHICLES IN GENERAL