Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592758 | Ski boot with overlapping instep portions | Shinichi Iwama, Seiki Ota | 1997-01-14 |
| 4977692 | Retention device for ski boot | Shinichi Iwama, Shigeto Yamada | 1990-12-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592758 | Ski boot with overlapping instep portions | Shinichi Iwama, Seiki Ota | 1997-01-14 |
| 4977692 | Retention device for ski boot | Shinichi Iwama, Shigeto Yamada | 1990-12-18 |