Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886030 | Method of and system for controlling fuel injection rate in an internal combustion engine | Senji Kato | 1989-12-12 |
| 4878386 | Karman vortex sensor type flow rate measuring system | Toshiaki Isobe | 1989-11-07 |
| 4819490 | Karman vortex sensor type flow rate measuring system | Toshiaki Isobe | 1989-04-11 |