Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5027888 | Method and apparatus for sealing molten metal for a twin-roll type continous casting apparatus | Haruo Sakaguchi, Minoru Tsukigahora, Kunio Nagai, Masakazu Mouri | 1991-07-02 |
| 4987949 | Protective cover for surface of molten steel used in continuous casting apparatus | Haruo Sakaguchi, Toshikatsu Okao | 1991-01-29 |