Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813232 | Exhaust device for internal combustion engine | Mitsuo Hitomi, Fumio Hinatase | 1989-03-21 |
KU
Kazuaki Umezono
Overall (1989): #89,473 of 140,708Top 65%
1
Patents 1989