Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533282 | Hard plate of each of spike shoes for field and track events | Akira Kataoka, Hitoshi Mimura, Ryuichi Tukita | 1996-07-09 |
| D327975 | Spike for a shoe | Kiyohiro Saito | 1992-07-21 |