Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11126701 | Surveying instrument and surveying instrument management system | — | 2021-09-21 |
| 11121637 | Power conversion device and power conversion system including a power converter capable of converting between alternating-current (AC) power and direct-current (DC) power | Toshiyuki Fujii, Ryosuke Uda | 2021-09-14 |
| 11114872 | Charging device | Masaki Shikanai, Yoshinari MATSUYAMA, Yuzuka ISOBE | 2021-09-07 |
| 11002838 | Communication management system of surveying instrument | — | 2021-05-11 |
| 10960945 | Device capable of traveling on wall surface while adhering thereto | Tomohiro Sekiguchi, Yoshinari MATSUYAMA, Tomomi Nishikata, Masaki Shikanai, Shogo Mikami | 2021-03-30 |
| 10965052 | Connector holding mechanism | Masaki Shikanai, Yoshinari MATSUYAMA, Yuzuka ISOBE, Takeru SAKAMOTO | 2021-03-30 |