Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647646 | Shoe with arch reinforcement | Shigeyuki Mitsui, Noboru Nakabe, Masashi Isobe | 2003-11-18 |
| 6516539 | Shock absorbing device for shoe sole | Shigeyuki Mitsui, Seiichi Ueno, Kiyomitsu Kurosaki | 2003-02-11 |