Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518306 | Top-firing hot blast stove | Norimasa Maekawa, Koya Inoue, Hiroshi Shimazu, Shunji Koya, Nobuhiro Ohshita | 2016-12-13 |
| 9017068 | Top-firing hot blast stove | Norimasa Maekawa, Koya Inoue, Hiroshi Shimazu, Shunji Koya, Nobuhiro Ohshita | 2015-04-28 |