Answer: Nishikawa Rubber Company has 1,660 patents for the period 2009 - 2023.
There are 677 patent families with 590 granted patents and 1,070 applications patents.
The key filing countries are JP: 948 | US: 285 | CN: 230 | EP: 99 | RoW: 82 | GB: 8 | WO: 7 | KR: 1.