RK

Ryosuke Koizumi

Overall (All Time): #1,945,675 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10465119 Externally heated carbonization furnace Yuuki Endou, Hirotami Yamamoto, Keiichi Ishikawa 2019-11-05
9879912 Heat treatment apparatus Hirotami Yamamoto, Yuuki Endou 2018-01-30