Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887577 | Hot-wire type air flow meter and an internal combustion engine with the same | Nobukatsu Arai, Yoshihito Sekine, Tadao Osawa, Hiroatsu Tokuda, Toshifumi Usui | 1989-12-19 |
| 4829814 | Hot film type air flow meter | Tadao Suzuki | 1989-05-16 |