Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845420 | Drive circuit device for inductive load | Hidekazu Oshizawa, Ryoichi Harada | 1989-07-04 |
| 4838080 | Circuit for distinguishing detected lift signal of the valve element of fuel injection valve | — | 1989-06-13 |