Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10048184 | Crack sensor and crack monitoring device | Daisuke Ishikawa | 2018-08-14 |
| 9976990 | Vibration measuring apparatus using parametric speaker and two-dimensional scanning mirror | Daisuke Ishikawa | 2018-05-22 |