Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7354547 | Molten-metal transferring ladle and molten-metal tapping method | Bunji Ukaji, Kenji Ogawa, Toshiyuki Matsumoto, Katsuyoshi Mukai | 2008-04-08 |
| 5135893 | Carbonaceous ceramic composite for use in contact with molten nonferrous metal | Shoji Dohi, Akio Nakashiba, Kengo Hamada, Shigenobu Yurugi, Hiroshi Sano +4 more | 1992-08-04 |