Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886028 | Apparatus for controlling air-fuel ratio of internal combustion engine | Masanobu Uchinami, Hiroyoshi Suzuki, Ryoji Nishiyama, Shinichi Nishida | 1989-12-12 |
TT
Toshihisa Takahashi
Overall (1989): #48,045 of 140,708Top 35%
1
Patents 1989