Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922275 | Aluminum-chromium alloy, method for its production and its applications | Toshiyuki KAGEYAMA, Yasuo Imamura | 1999-07-13 |
| 5698035 | Heat-resistant electrode material, electrode using the same, and apparatus having plasma generating unit using this electrode | Masahiko Matsudo, Akira Koshiishi, Yutaka Hirashima | 1997-12-16 |
| RE33905 | Chromium carbide sintered body | Yutaka Hirashima, Yasuo Imamura | 1992-04-28 |
| 4952532 | Sintered body having high corrosion resistance and containing ZRB2 | Hirotsugu Matsunaga, Yasuo Imamura | 1990-08-28 |
| 4927791 | Chromium carbide sintered body | Yutaka Hirashima, Yasuo Imamura | 1990-05-22 |