Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476634 | Yttria sintered body and manufacturing method therefor | Keiji Morita, Keisuke Watanabe | 2009-01-13 |
| 6834613 | Plasma-resistant member and plasma treatment apparatus using the same | Akira Miyazaki, Keiji Morita, Shuji Moriya | 2004-12-28 |