Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11666191 | Rotary brush and robotic dust collector | Hirotaka SUMIYOSHI | 2023-06-06 |
| 11576542 | Robotic dust collector | Hirotaka SUMIYOSHI | 2023-02-14 |
| 11564545 | Self-propelled, dust-collecting robot | Yasutoshi Shinma | 2023-01-31 |