KI

Koya Inoue

NE NS Sumikin Engineering: 2 patents #16 of 113Top 15%
Overall (All Time): #2,019,131 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9518306 Top-firing hot blast stove Norimasa Maekawa, Hiroshi Shimazu, Shunji Koya, Naoki Kunishige, Nobuhiro Ohshita 2016-12-13
9017068 Top-firing hot blast stove Norimasa Maekawa, Hiroshi Shimazu, Shunji Koya, Naoki Kunishige, Nobuhiro Ohshita 2015-04-28