KK

Kohei Kawamura

HH Hitachi High-Technologies: 2 patents #72 of 449Top 20%
📍 Settsu, OR: #1 of 1 inventorsTop 100%
Overall (2022): #138,337 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11515167 Plasma etching method and plasma processing apparatus Sumiko Fujisaki, Yoshihide Yamaguchi, Hiroyuki Kobayashi, Kazunori Shinoda, Yutaka Kouzuma +1 more 2022-11-29
11217454 Plasma processing method and etching apparatus Kazunori Shinoda, Hiroto Otake, Hiroyuki Kobayashi, Masaru Izawa 2022-01-04