Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513145 | Tire pressure detecting device and tire monitor system | Michiya Katou | 2009-04-07 |
| 7469581 | Tire valve unit | Michiya Katou | 2008-12-30 |
| 5721881 | Method for controlling automatic log-on function | Hidenori Shimizu, Masaru Yokoyama | 1998-02-24 |