KO

Keitarou Ogawa

HH Hitachi High-Technologies: 3 patents #336 of 1,200Top 30%
Overall (All Time): #1,365,498 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12002692 Operation method of vacuum processing device Ryoichi Isomura, Takahiro Sakuragi 2024-06-04
11195733 Operation method of vacuum processing device Ryoichi Isomura, Takahiro Sakuragi 2021-12-07
D907593 Discharge chamber for a plasma processing apparatus Nobuhide Nunomura 2021-01-12