Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375958 | Method for preheating steel scrap by exhaust gas from steelmaking electric furnace | Takasaburo Date, Toshimichi Maki, Mitsuya Iguchi, Hisashi Watanabe | 1983-03-08 |
| 4373911 | Apparatus for preheating a steel scrap | Takasaburo Date, Toshimichi Maki, Mitsuya Iguchi, Hisashi Watanabe | 1983-02-15 |