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CHEUNG; Chi Hung Patent Filings

CHEUNG; Chi Hung

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHEUNG; Chi Hung.The latest application filed is for "transformer".

Company Profile
0.3.4
  • CHEUNG; Chi Hung - Hong Kong HK
  • Cheung; Chi Hung - Tseung Kwan O. HK
  • Cheung; Chi Hung - Park Central HK
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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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