Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674101 | Arc-heating type extra-furnace refining apparatus | Kazuhiko Matsuo, Teruyuki Hasegawa, Seigo Kuwano, Ryuji Yamaguchi, Akio Shiwata +5 more | 1987-06-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674101 | Arc-heating type extra-furnace refining apparatus | Kazuhiko Matsuo, Teruyuki Hasegawa, Seigo Kuwano, Ryuji Yamaguchi, Akio Shiwata +5 more | 1987-06-16 |