Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5193387 | Tire-interior monitoring apparatus | — | 1993-03-16 |
| 5139067 | Tire wheel | Shinji Shiozawa, Tadashi Hagiwara | 1992-08-18 |
| 5082041 | Tire wheel | Shinji Shiozawa | 1992-01-21 |
| 5069759 | Pressure switch | — | 1991-12-03 |
| 5028749 | Pressure switch | — | 1991-07-02 |