PW

Pitleong Wong

JC Joulwatt Technology (Hangzhou) Co.: 26 patents #2 of 30Top 7%
JC Joulwatt Technology Co.: 9 patents #1 of 22Top 5%
📍 Hangzhou City, CA: #44 of 186 inventorsTop 25%
Overall (All Time): #87,783 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
12431786 Control circuit and control method for switched capacitor converter 2025-09-30
12407249 Supply circuit and switched mode power supply Weijun Mao 2025-09-02
12317382 Dimming method and dimming circuit 2025-05-27
12221033 Dynamic automotive turn signal circuit and dynamic automotive turn signal system Jianyu Xie 2025-02-11
12087243 Light source driving circuit and communication device for display system Duo Li 2024-09-10
12057080 Light source driving circuit and communication device for display system Duo Li 2024-08-06
11799310 X-capacitor discharge method, X-capacitor discharge circuit and switched-mode power supply Mengyi Huang 2023-10-24
11757367 Flyback switch circuit and control method thereof Yang Yang 2023-09-12
11463079 Power transistor driving method, driving circuit and switching circuit Liyu Lin, Xunwei Zhou 2022-10-04
11218136 Power transistor driving method, driving circuit and switching circuit Liyu Lin, Xunwei Zhou 2022-01-04
11165355 Clamping switch abnormality detection method, clamping switch abnormality detection circuit and switch circuit Xianghua JIANG, Xunwei Zhou 2021-11-02
11152866 Active clamping flyback circuit and control method thereof Xianghua JIANG, Xunwei Zhou 2021-10-19
10886913 Drive method and drive circuit for power switch, and power supply system Libin Huang, Yuancheng Ren, Xunwei Zhou 2021-01-05
10715125 Circuit and method for detecting current zero-crossing point and circuit and method for detecting load voltage Yang Lu, Yue Ji, Yuancheng Ren, Xunwei Zhou 2020-07-14
10644604 Flyback switching power supply Xunwei Zhou 2020-05-05
10644517 Battery balance circuit, control method for battery balance and battery system Libin Huang, Yuancheng Ren, Xunwei Zhou 2020-05-05
10506684 Protection circuit and illumination driving circuit Junming Zhang, Guoqiang Liu, Yuancheng Ren, Xunwei Zhou 2019-12-10
10505442 Synchronous rectification control circuit, method and flyback switch circuit Yuancheng Ren, Xunwei Zhou, Junming Zhang, Yiqing Jin 2019-12-10
10461653 Active-clamp flyback circuit and control method thereof Xunwei Zhou 2019-10-29
10418910 Isolated switch-mode power supply and control circuit and control method for isolated switch-mode power supply Xunwei Zhou 2019-09-17
10411586 Circuit and method for overcurrent control and power supply system including the same Siopang Chan, Yuancheng Ren, Xunwei Zhou 2019-09-10
10411685 Circuit and method for detecting current zero-crossing point, and circuit and method for detecting load voltage Yang Lu, Yue Ji, Yuancheng Ren, Xunwei Zhou 2019-09-10
10396658 Power supply protection circuit and method Siopang Chan, Xunwei Zhou, Yuancheng Ren 2019-08-27
10355604 Control circuit and control method for switch circuit and switching-mode power supply circuit Siopang Chan, Yuancheng Ren, Xunwei Zhou 2019-07-16
10327296 Dimming circuit, dimming method and LED driving circuit Guoqiang Liu, Yingyan He, Yuancheng Ren, Xunwei Zhou 2019-06-18