QG

Qiaoshi Guo

UN Unknown: 5 patents #3,065 of 83,584Top 4%
Overall (All Time): #613,495 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12014893 Arc-extinguishing circuit with two power supplies and apparatus 2024-06-18
11373817 Direct current arc extinguishing circuit and apparatus 2022-06-28
10468207 Arc-extinguishing power device driving apparatus and arc extinguishing apparatus 2019-11-05
10461728 Semi-controllable device driving method and apparatus, and hybrid device 2019-10-29
10424443 Capacitive coupling-type arc extinguishing circuit and apparatus having same 2019-09-24
10424450 Current feedback-type electronic arc-extinguishing apparatus 2019-09-24
10236879 Thyristor driving apparatus 2019-03-19
10236682 Inrush current free switching apparatus and control method thereof 2019-03-19