Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681383 | Surface-treating agent for high-temperature refractory material and method for treatment therewith | Yasuyuki Yamaguchi, Tadakatu Kisi, Hiroaki Motoyama, Yoshimi Imoto, Matsumi Hirao | 1997-10-28 |