Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884400 | Exhaust manifold of internal combustion engine | Yoshimasa Tanaka | 1989-12-05 |
YT
Yutaka Tasaki
Overall (1989): #39,263 of 140,708Top 30%
1
Patents 1989