Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4749171 | Method and apparatus for measuring slag-foam conditions within a converter | Yujiro Ueda, Toru Yoshida | 1988-06-07 |
| 4651976 | Method for operating a converter used for steel refining | Yujiro Ueda, Toru Yoshida, Hiroshi Narita | 1987-03-24 |
| 4629166 | Exhaust-gas treatment system for a sealed-type converter | Seishi Ogata, Masahiro Ohtsuki | 1986-12-16 |