Hiroshi Hirano

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stable electro-rheological fluid having a high viscosity-increasing...
- Patent number 5,266,229
- Issue date Nov 30, 1993
- Tonen Corporation
- Hirotaka Tomizawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...