SK

Shinya Koga

TC Tokyo Ohka Kogyo Co.: 1 patents #7 of 31Top 25%
Overall (2025): #218,507 of 469,880Top 50%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12187943 Chemical solution used for cleaning or etching ruthenium-containing layer and method for fabricating ruthenium wiring Yukihisa Wada, Kazuhiro Takahashi 2025-01-07