YK

Yutaka Kouzuma

HH Hitachi High-Technologies: 4 patents #11 of 336Top 4%
Overall (2020): #40,301 of 565,922Top 8%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10872779 Plasma etching method and plasma etching apparatus Nobuya Miyoshi, Hiroyuki Kobayashi, Kazunori Shinoda, Kohei Kawamura, Kazumasa Ookuma +1 more 2020-12-22
D901407 Integrated type ion shield for semiconductor manufacturing apparatus Michiaki Kobayashi, Kazuyuki Hirozane, Nobuya Miyoshi, Kohei Kawamura, Hiroyuki Kobayashi 2020-11-10
10825664 Wafer processing method and wafer processing apparatus Tomoyuki Watanabe, Takumi Tandou, Kenetsu Yokogawa, Hiroshi Ito 2020-11-03
D900760 Ion shield plate for semiconductor manufacturing apparatus Michiaki Kobayashi, Kazuyuki Hirozane, Kohei Kawamura, Nobuya Miyoshi, Hiroyuki Kobayashi 2020-11-03