Frontenac, Missouri
United States
3
2023-05-25
The entities that hold a legal rights for patent applications filed by inventor Wu Yu-Chaio:
Yu-Chaio Wu from Frontenac, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Ingot puller apparatus that use a solid-phase dopant
#2 | 2023-05-25METHODS FOR PRODUCING A SINGLE CRYSTAL SILICON INGOT USING BORIC ACID AS A DOPANT
#3 | 2020-12-31Methods for producing a single crystal silicon ingot using boric acid as a dopant and ingot puller apparatus that use a solid-phase dopant
2949976 ⎘