KI

Koichi Izumiya

HZ Hitachi Zosen: 2 patents #121 of 531Top 25%
Overall (All Time): #1,825,738 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11807590 Methane production system Hiroyuki Shinomiya, Hiroyuki Takano, Masahiro Yamaki 2023-11-07
11065590 Gas generation device and gas generation method Masahiro Yamaki, Hiroyuki Shinomiya, Hiroyuki Takano 2021-07-20