Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281266 | Tap hole blocking material for metal melting apparatus | Kenzo Takeda, Fumiyuki Inoue, Norio Honda | 2001-08-28 |
| 4377413 | Refractory composition for flow casting | Mitsuo Nomura, Shigeru Amano, Sho Okubo, Takuo Hosaka, Ryuzi Adachi | 1983-03-22 |