Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11337641 | Hardness meter and method having hardness estimation portion that estimates hardness of measurement object based on alternating current component | Yuko Sano, Akihiko Kandori, Shigemitsu Ando, Mitsunobu Watanabe | 2022-05-24 |