Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D480120 | Exercise stationary bike | Kazuhiko Arai, Takeshi Inoue | 2003-09-30 |
| D479865 | Exercise stationary bike | Kazuhiko Arai, Takeshi Inoue | 2003-09-23 |
| D360916 | Ergometer | — | 1995-08-01 |
| D343879 | Stair climbing exercise machine | — | 1994-02-01 |