Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11345641 | Alumina fibers, alumina fiber aggregate, and retaining material for use in exhaust gas purification device | Teruhiro AIKYO, Yasutaka Oshima, Hiroyuki Ohashi, Yosuke Goto | 2022-05-31 |