Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866776 | Audio speaker system for automotive vehicle | Junichi Kasai, Hiroshi Imai | 1989-09-12 |
TY
Takayuki Yanagishima
Overall (1989): #51,972 of 140,708Top 40%
1
Patents 1989