Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10799805 | Spinning top launching device | Hiroyuki Hama, Douglas Arthur Schultheis | 2020-10-13 |
| 10556187 | Toy top | Kenji Horikoshi | 2020-02-11 |
| 10543431 | Spinning top toy | Makoto Muraki | 2020-01-28 |
| 10543432 | Toy top | Kenta Hashiba, Makoto Muraki | 2020-01-28 |
| 10525365 | Spinning top toy | Makoto Muraki | 2020-01-07 |