Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549558 | Melting and holding furnace for aluminum blocks | Tamio Okada, Hideo Yoshikawa, Michio Matsuura, Toshiaki Sano | 2003-04-15 |
| 5810907 | Continuous melting apparatus for low-melting point metal, improved crucible for such apparatus, and melting method using such apparatus | Tamio Okada, Hideo Yoshikawa, Michio Matsuura, Toshiaki Sano, Masato Yoshida +1 more | 1998-09-22 |