TO

Takuya Ohhashi

TC Tokyo Ohka Kogyo Co.: 1 patents #30 of 86Top 35%
Overall (2021): #240,526 of 548,734Top 45%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11120994 Etching solution, and method of producing semiconductor element Yukihisa Wada, Mai Sugawara 2021-09-14