Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751907 | Air/fuel ratio detecting apparatus for internal combustion engines | Tadahiro Yamamoto, Eiichi Ohnishi, Tadaki Oota, Minoru Osuga, Yoshishige Oyama | 1988-06-21 |
HO
Hiroaki Oogane
Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,953,948 of 4,157,543Top 100%
1
Patents All Time