Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691899 | Apparatus for reactor iron making | Saburo Sugiura, Noboru Demukai | 1987-09-08 |
| 4614159 | Powdered coal burner | Saburo Sugiura, Kenji Kanada, Noboru Demukai, Tetsuo Okamoto | 1986-09-30 |
| 4609538 | Scrap heating method | Sabro Sugiura, Kenji Kanada, Noboru Demukai, Tetsuo Okamoto | 1986-09-02 |