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Yoshihide Yamaguchi

HH Hitachi High-Technologies: 3 patents #39 of 449Top 9%
Overall (2022): #55,242 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11515167 Plasma etching method and plasma processing apparatus Sumiko Fujisaki, Hiroyuki Kobayashi, Kazunori Shinoda, Kohei Kawamura, Yutaka Kouzuma +1 more 2022-11-29
11515169 Method of making a semiconductor device including etching of a metal silicate using sequential and cyclic application of reactive gases 2022-11-29
11380523 Semiconductor manufacturing apparatus Sumiko Fujisaki 2022-07-05