Chang; Chio-Sung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Chio-Sung.The latest application filed is for "magnetic material fixing structure of motor rotor".
- Chang; Chio-Sung - Taichung City 406 TW
- Chang; Chio Sung - Taichung TW
| Patent | Date |
|---|---|
| Rotor core with magnets on the outer periphery of the core having a sine or trapezoidal wave Grant 6,911,756 - Chang June 28, 2 | 2005-06-28 |
| Magnetic material fixing structure of motor rotor Grant 6,707,206 - Chang March 16, 2 | 2004-03-16 |
| Magnetic material fixing structure of motor rotor App 20030137203 - Chang, Chio Sung | 2003-07-24 |
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