Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021590 | Elastic spikes and sports shoes with the elastic spikes | Tadatoshi Yamada | 2000-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021590 | Elastic spikes and sports shoes with the elastic spikes | Tadatoshi Yamada | 2000-02-08 |