Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619694 | Method of refining steel and apparatus | Yasutaka Kawanobe, Singi Kanou, Katsuya Yamazaki | 1986-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619694 | Method of refining steel and apparatus | Yasutaka Kawanobe, Singi Kanou, Katsuya Yamazaki | 1986-10-28 |