Yang; Johnny
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yang; Johnny.The latest application filed is for "transformerless ac/dc converting control circuit".
- Yang; Johnny - Apia WS
- Yang, Johnny - Hsin-Chu City TW
| Patent | Date |
|---|---|
| Chair Grant D542,548 - Yang May 15, 2 | 2007-05-15 |
| Chair Grant D542,042 - Yang May 8, 2 | 2007-05-08 |
| Chair Grant D540,554 - Yang April 17, 2 | 2007-04-17 |
| Chair Grant D540,049 - Yang April 10, 2 | 2007-04-10 |
| Transformerless AC/DC converting control circuit App 20020044471 - Chen, Te-Cheng ; et al. | 2002-04-18 |
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