Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026030 | Melting and holding furnace | Masao Yamaoka | 1991-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026030 | Melting and holding furnace | Masao Yamaoka | 1991-06-25 |