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Patent applications and USPTO patent grants for CHANG; Hao Chieh.The latest application filed is for "power supply device and voltage converting method".
Patent | Date |
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Power Supply Device And Voltage Converting Method App 20220231613 - HSIAO; Yung Hung ;   et al. | 2022-07-21 |
Transformer App 20220084734 - Lai; Yen-Shin ;   et al. | 2022-03-17 |
Planar Winding Transformer App 20220084737 - LAI; Yen-Shin ;   et al. | 2022-03-17 |
Software Protection Method And System Thereof App 20210374254 - CHANG; Hao-Chieh ;   et al. | 2021-12-02 |
Power Conversion System App 20210218329 - HSIAO; Yung-Hung ;   et al. | 2021-07-15 |
Power conversion system Grant 11,063,512 - Hsiao , et al. July 13, 2 | 2021-07-13 |
Data transmission system with security mechanism and method thereof Grant 11,005,658 - Ni , et al. May 11, 2 | 2021-05-11 |
Water Quality Monitoring System And Method Thereof App 20190339723 - NI; Wang-Shen ;   et al. | 2019-11-07 |
Data Transmission System With Security Mechanism And Method Thereof App 20190182045 - NI; Wan-Sheng ;   et al. | 2019-06-13 |
Reusable Cat Litter And Method For Manufacturing The Same App 20180343825 - CHANG; HAO-CHIEH ;   et al. | 2018-12-06 |
Method and apparatus for equipping personal digital product with functions of recording and displaying of the digital video/audio multi-media App 20050025462 - Chang, Hao-Chieh ;   et al. | 2005-02-03 |
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