Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284712 | Cement-containing ceramic articles and method for production thereof | Kazuyuki Kawai, Takayuki Shirai | 1994-02-08 |
| 4963517 | Sintered ceramic body with excellent refractories (heat resistance) and machinability and method of manufacture of the same | Hiroto Shin, Hideki Ishida, Yasuo Goto, Akira Iwahashi | 1990-10-16 |