Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10499198 | Positioning device and positioning system | Mika Hirama, Akihiko Fujiwara | 2019-12-03 |
| 10257659 | Positioning device and positioning system | Mika Hirama, Akihiko Fujiwara | 2019-04-09 |