Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801636 | Energy saving system utilizing temperature sensing flow control valve to control chilled water circulation | Tsung-Ming Chen, Po-Cheng Tung | 2020-10-13 |
| 10381825 | Battery assembly device with charging and discharging protection | Steven Po-Cheng Tung | 2019-08-13 |
| 9984797 | High voltage (HV) impedance device with surface leakage proof configuration applied in HV divider | Steven Po-Cheng Tung | 2018-05-29 |
| 7443673 | Cooling function power adapter | Po-Cheng Tung | 2008-10-28 |
| 7006000 | Earthquake detecting and warning device | Po-Cheng Tung | 2006-02-28 |
| 6885277 | Externally adjustable impedance transformer | — | 2005-04-26 |
| 6809418 | Integrated circuit package structure | — | 2004-10-26 |
| 6037600 | Safety gas controlling system | — | 2000-03-14 |
| 4654766 | Structure for a string of bulbs | — | 1987-03-31 |