Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12021447 | Low ground current AC-DC power supply for no- neutral electrical devices and fault protection therefor | — | 2024-06-25 |
| 11594950 | Low ground current AC-DC power supply for no-neutral electrical devices and fault protection therefor | — | 2023-02-28 |
| 10774011 | Lead-free high-insulating ceramic coating zinc oxide arrester valve and preparation method thereof | Guangqiang Pei, Tao Gu, Zheng Yao, Liyi Shi | 2020-09-15 |
| 10621763 | Sketch-effect hatching | Ante Qu | 2020-04-14 |
| 10427283 | Oil filter remover | — | 2019-10-01 |
| 10264643 | Dual over-current protection for phase cut dimmer | — | 2019-04-16 |
| 8323990 | Reliability test structure for multilevel interconnect | Wei Wei Ruan | 2012-12-04 |
| 8164091 | Multi-purpose poly edge test structure | Wei Wei Ruan | 2012-04-24 |
| 7439538 | Multi-purpose poly edge test structure | Wei Wei Ruan | 2008-10-21 |