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Patent applications and USPTO patent grants for CHEUNG; Chi Hung.The latest application filed is for "transformer".
Patent | Date |
---|---|
Transformer App 20140292471 - HO; Kwok Pun ;   et al. | 2014-10-02 |
Current sensing inductor and a circuit thereof Grant 8,242,771 - Cheung August 14, 2 | 2012-08-14 |
Clothes Hanger And Method Of Making Same App 20110139833 - CHEUNG; Chi Hung | 2011-06-16 |
Electric power conversion circuit having transfer gain variable by pulse-width modulation Grant 7,944,713 - Cheung May 17, 2 | 2011-05-17 |
Electric power conversion circuit having transfer gain variable by pulse-width modulation App 20100202158 - Cheung; Chi Hung | 2010-08-12 |
Current sensing inductor and a circuit thereof App 20100109648 - Cheung; Chi Hung | 2010-05-06 |
Fine-tuning circuit for the winding voltage of a transformer Grant 7,227,762 - Cheung June 5, 2 | 2007-06-05 |
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