Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996177 | Sintered alumina article with high flexural strength and process for producing same | Shigehide Takagi, Hideo Yano, Takashi Oku, Keijiro Shigeru, Tsutomu Shishikura | 1991-02-26 |