Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963517 | Sintered ceramic body with excellent refractories (heat resistance) and machinability and method of manufacture of the same | Kazumasa Goto, Hideki Ishida, Yasuo Goto, Akira Iwahashi | 1990-10-16 |