Qingdao
China
7
2026-05-12
The entities that hold a legal rights for patent applications filed by inventor LI Ming:
Ming LI from Qingdao, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Heat exchanger production line
#2 | 2023-07-27Geopolymer cementing fluid with controllable thickening time
#3 | 2020-05-07Optical module
#4 | 2019-01-31Optical module
#5 | 2017-06-01Optical module
#6 | 2017-03-02Optical module
#7 | 2017-01-05Optical module
1764360 ⎘