Sichuan
China
4
2021-12-23
The entities that hold a legal rights for patent applications filed by inventor Sun Wei:
Wei Sun from Sichuan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Fluorophosphate optical glass, and optical preform, element and instrument
#2 | 2021-03-11Optical glass, glass preform, optical element and optical instrument having the same
#3 | 2014-08-07Optical glass and optical element
#4 | 2012-01-19Glass suitable for chemical tempering and chemically tempered glass thereof
3076598 ⎘