Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870937 | Air fuel mixture A/F control system | Hiroshi Sanbuichi, Katsunori Terasaka | 1989-10-03 |
| 4825837 | Air/fuel ratio control system having gain adjusting means | — | 1989-05-02 |
TN
Toyoaki Nakagawa
Overall (1989): #14,002 of 140,708Top 10%
2
Patents 1989