Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769351 | Hydrothermal process for preparing zirconia-alumina base ultra-fine powders of high purity | Masahiro Yoshimura, Zenjiro Nakai, Kazumitsu Hishinuma, Takao Kumaki | 1988-09-06 |