TN

Toru Nonaka

TO Tokuyama: 1 patents #280 of 562Top 50%
TS Tokuyama Soda: 1 patents #56 of 151Top 40%
Overall (All Time): #2,223,830 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6197733 Photoresist ashing residue cleaning agent Ichiro Mikami, Yoshifumi Yamashita 2001-03-06
4788043 Process for washing semiconductor substrate with organic solvent Yasuhiro Kagiyama, Koichi Doi, Yuji Ishiyama, Shigeo Komatsubara 1988-11-29