Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11577663 | Electric vehicle | Ryotaro FUJIKAWA, Iwao Furukawa, Tomohiro Matsumoto | 2023-02-14 |
| 11535183 | Vehicle | Ryotaro FUJIKAWA | 2022-12-27 |
| 5593338 | Spinner and adapter for toy tops and combination of spinner and toy top | Minoru Sawada | 1997-01-14 |