Changde, CN ranks #12,481 worldwide for total patents filed all time, with 142 patents from 43 inventors. Leading employers of inventors based in Changde, CN include Asia Optical Co., Xiwing E-Commerce(Zhuhai) Co., 3M.
Showing 1–43 of 43 inventors
142 patents · 43 inventors
Ranked #12,481 of 112,640 cities Top 15%
Changde, CN ranks #12,481 worldwide for total patents filed all time, with 142 patents from 43 inventors. Leading employers of inventors based in Changde, CN include Asia Optical Co., Xiwing E-Commerce(Zhuhai) Co., 3M.
Showing 1–43 of 43 inventors