Answer: Cambridge Display Technology has 3,400 patents for the period 2009 - 2023.
There are 571 patent families with 874 granted patents and 2,526 applications patents.
The key filing countries are GB: 945 | US: 634 | WO: 391 | CN: 368 | RoW: 295 | JP: 282 | EP: 271 | KR: 214.