Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244488 | Direct smelting process with a thermal plasma | Kichinosuke Shoji, Naoshi Takemura | 1993-09-14 |
| 5138133 | Heating sheet having far infrared radiator attached and various equipments utilizing heating sheet | Kaichiro Sakurada, Takashi Sato | 1992-08-11 |
| 4540878 | Net circuit type heating and warming equipment | — | 1985-09-10 |
| 4533821 | Heating sheet | — | 1985-08-06 |