Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835611 | Stress history measurement method and stress sensor | Hide Sakaguchi | 2017-12-05 |
| 8661913 | Method of measuring stress history and composite material containing cement as main component | Hide Sakaguchi | 2014-03-04 |