Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214597 | Cross coil type indicator | Tadao Ito, Shouzo Ashizawa | 1993-05-25 |
| 5119320 | Cross coil type indicator | Tadao Ito, Shouzo Ashizawa | 1992-06-02 |
| 4868508 | Trouble detecting circuit for resistive sensor type indicator | — | 1989-09-19 |