Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281266 | Tap hole blocking material for metal melting apparatus | Kenzo Takeda, Kunihiko Shiraishi, Norio Honda | 2001-08-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281266 | Tap hole blocking material for metal melting apparatus | Kenzo Takeda, Kunihiko Shiraishi, Norio Honda | 2001-08-28 |