Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887577 | Hot-wire type air flow meter and an internal combustion engine with the same | Yoshihito Sekine, Tadao Osawa, Hiroatsu Tokuda, Toshifumi Usui, Mitsukuni Tsutsui | 1989-12-19 |