Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686944 | Intake manifold structure for V-type engine | Tetsuo Hiraoka, Koichi Hatamura | 1987-08-18 |
SY
Sigeyasu Yamamoto
Overall (All Time): #3,980,233 of 4,157,543Top 100%
1
Patents All Time