Sumitomo Rubber Industry, Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sumitomo Rubber Industry, Ltd..The latest application filed is for "set of current collecting elements used for a current collecting roller".
- Sumitomo Rubber Industry, Ltd. - Kobe JA
| Patent | Date |
|---|---|
| Set of current collecting elements used for a current collecting roller Grant 4,031,990 - Matsui , et al. June 28, 1 | 1977-06-28 |
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