Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5415692 | Apparatus for applying material against the wall of a molten metal discharging hole | Masayuki Fujita, Hiroyuki Ito | 1995-05-16 |
| 5259880 | Projection molten impeller for concave section used in apparatus | Masayuki Fujita, Hiroyuki Ito | 1993-11-09 |
| 4431169 | Method and apparatus for preventing the inclusion of slag into the molten steel tapped from a converter | Koichiro Fuzii | 1984-02-14 |
| 4283042 | Method for repairing the tap hole of a converter | — | 1981-08-11 |
| 4265433 | Apparatus for repairing the tap hole of a converter | — | 1981-05-05 |
| 4225083 | Apparatus for applying refractory material onto the inner surface of a furnace | Toshiro Watanabe, Masayuki Fujita, Tadahiko Matsuno, Akira Morita | 1980-09-30 |
| 4222522 | Apparatus for applying refractory material onto the inner surface of a furnace | Toshiro Watanabe, Masayuki Fujita, Tadahiko Matsuno, Akira Morita | 1980-09-16 |
| 4218989 | Apparatus for applying refractory material onto the inner surface of a furnace under monitoring by a TV camera | Masayuki Fujita, Yasuo Nakamura | 1980-08-26 |