KABUSHIKI KAISHA KAWAI SEISAKUSHO
Patent Applications and Registrations
Patent applications and USPTO patent grants for KABUSHIKI KAISHA KAWAI SEISAKUSHO.The latest application filed is for "stopper rail for silent piano".
- KABUSHIKI KAISHA KAWAI SEISAKUSHO - Hamamatsu JP
| Patent | Date |
|---|---|
| Stopper rail for silent piano Grant 11,250,820 - Tanaka February 15, 2 | 2022-02-15 |
| Pickup apparatus for an electric string type instrument Grant 4,378,721 - Kaneko , et al. April 5, 1 | 1983-04-05 |
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