Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789333 | Midsole including cushioning structure | Tsuyoshi Nishiwaki, Toshikazu Kayano | 2004-09-14 |
| 6763615 | Shoe with arch reinforcement | Tsuyoshi Nishiwaki, Noboru Nakabe, Masashi Isobe | 2004-07-20 |
| 6685011 | Shock absorbing device for shoe sole | Tsuyoshi Nishiwaki, Seiichi Ueno, Kiyomitsu Kurosaki | 2004-02-03 |