Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065727 | Air/fuel ratio control system for internal combustion engine | Shigeyuki Sakaguchi, Tadashi Ariga | 1991-11-19 |
HM
Hirotsugu Maruyama
Overall (All Time): #3,889,953 of 4,157,543Top 95%
1
Patents All Time