Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648174 | Highly hard thin film and method for production thereof | Hiroshi Yamagata, Akihisa Inoue, Tsuyoshi Masumoto | 1997-07-15 |
| 5607523 | High-strength aluminum-based alloy | Tsuyoshi Masumoto, Akihisa Inoue, Toshisuke Shibata, Kazuhiko Kita | 1997-03-04 |