Hiroshi Kiyokawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-component electromagnetic wave absorption panels
- Patent number 6,037,046
- Issue date Mar 14, 2000
- Symetrix Corporation
- Vikram Joshi
- E04 - BUILDING
Information Patent Grant
Materials for electromagnetic wave absorption panels
- Patent number 5,853,889
- Issue date Dec 29, 1998
- Symetrix Corporation
- Vikram Joshi
- E04 - BUILDING