Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470446 | Method and apparatus for detecting molten metal surface level in a mold | Kazuyoshi Nenbai, Yoshitaka Nimura, Hideki Yokoyama | 1984-09-11 |
| 4364251 | Method and apparatus for cold-working annular workpieces | Masao Nishihara, Yoshinori Fukui, Yoshio Kitamura, Haruki Azuma | 1982-12-21 |