Beijing
China
3
2025-10-16
The entities that hold a legal rights for patent applications filed by inventor WANG Yanhang:
Yanhang WANG from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
OPTICAL GLASS, METHOD FOR PREPARING SAME, AND USE THEREOF
#2 | 2025-01-16OPTICAL GLASS AND PREPARATION METHOD AND APPLICATION THEREOF
#3 | 2015-09-24Vacuum melting furnace for infrared glass and melting system and method thereof
1295899 ⎘