Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801170 | Magnetic marker and marker system | Michiharu Yamamoto, Hitoshi Aoyama | 2020-10-13 |
| 10632892 | Magnetic marker, magnetic marker retaining method, work apparatus for magnetic markers, and magnetic marker installation method | Michiharu Yamamoto, Hitoshi Aoyama | 2020-04-28 |
| 10620276 | Magnetic detector | Takashi Shimoto, Jun Nakamura, Ryusuke Yamashita, Michiharu Yamamoto | 2020-04-14 |