Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478574 | Scrap preheating system for an electric furnace | Ryuzo Okuno, Keio Toyoda, Kiyoshi Takai | 1984-10-23 |
MS
Masahiro Sarai
Overall (All Time): #4,042,934 of 4,157,543Top 100%
1
Patents All Time