Answer: Acm Research (Shanghai) has 1,192 patents for the period 2009 - 2023.
There are 439 patent families with 365 granted patents and 827 applications patents.
The key filing countries are CN: 523 | RoW: 217 | US: 134 | KR: 120 | WO: 105 | JP: 82 | EP: 11.