Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |