Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4469062 | Intake port of internal combustion engine | Koichi Tezuka | 1984-09-04 |
SI
Shinzi Ikegami
Overall (All Time): #4,040,306 of 4,157,543Top 100%
1
Patents All Time