YI

Yuji Ishiyama

TS Tokuyama Soda: 1 patents #56 of 151Top 40%
📍 Nanyo, JP: #52 of 66 inventorsTop 80%
Overall (All Time): #3,963,836 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4788043 Process for washing semiconductor substrate with organic solvent Yasuhiro Kagiyama, Koichi Doi, Toru Nonaka, Shigeo Komatsubara 1988-11-29