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Patent applications and USPTO patent grants for Hu; Cheng-Chi.The latest application filed is for "antenna system for producing circular polarized waves with pifas".
Patent | Date |
---|---|
Antenna system for producing circular polarized waves with PIFAs App 20090179816 - Chen; Yen-Ming ;   et al. | 2009-07-16 |
Bias circuit for a radio frequency power amplifier App 20040189399 - Hu, Cheng-chi ;   et al. | 2004-09-30 |
Radio frequency power amplifier module integrated with a power control hoop Grant 6,798,287 - Wu , et al. September 28, 2 | 2004-09-28 |
Method for detecting defectives in an integrated circuit App 20040153917 - Wu, Janne-wha ;   et al. | 2004-08-05 |
Bias circuit for a radio frequency power amplifier App 20040113701 - Hu, Cheng-Chi ;   et al. | 2004-06-17 |
Radio frequency power amplifier module integrated with a power control loop App 20040108895 - Wu, Janne-wha ;   et al. | 2004-06-10 |
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