Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5710539 | Tire air-pressure reduction detecting apparatus | — | 1998-01-20 |
| 5604307 | Tire pressure drop alarm device sensing partial travel on irregular road surface | Mikao Nakajima, Hiroto Horie | 1997-02-18 |