YI

Yoshio Ishikawa

TL Tokyo Electron Limited: 1 patents #46 of 210Top 25%
TL Tokyo Electron Yamanashi Limited: 1 patents #2 of 23Top 9%
📍 Rifu, OH: #1 of 1 inventorsTop 100%
Overall (1994): #48,779 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5368684 Etching method for a silicon-containing layer using hydrogen bromide Hiroshi Kojima, Masahito Hiratuka 1994-11-29