SN

Shigeki Nishimura

TO Tokuyama: 2 patents #2 of 53Top 4%
Overall (2022): #111,321 of 548,613Top 25%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11498840 Crushed polycrystalline silicon lumps and method for producing same — 2022-11-15
11214892 Method for manufacturing polycrystalline silicon fragment and method for managing surface metal concentration of polycrystalline silicon fragment — 2022-01-04