Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5573500 | Sole massage device | Tatsuo Katsunuma, Tomio Fujikawa | 1996-11-12 |
| D363556 | Sole massager | Tatsuo Katsunuma, Tomio Fujikawa | 1995-10-24 |
| 5159922 | Massager | Tatsuo Katsunuma | 1992-11-03 |
| 5088474 | Massager | Tatsuo Katsunuma | 1992-02-18 |