Ningbo
China
5
2023-02-23
The entities that hold a legal rights for patent applications filed by inventor CHEN Chen:
Chen CHEN from Ningbo, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Optical Imaging Lens Assembly
#2 | 2022-07-14Optical Imaging Lens Assembly
#3 | 2021-12-30Optical Imaging System
#4 | 2021-02-18Optical imaging lens assembly including seven lenses of +−++−+−, +−+−−+−, +−−+−+−, +−−−−+−or +−+−++− refractive powers
#5 | 2008-04-10Track switching for a magnetically levitated transportation system and method
5283388 ⎘