Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840630 | Artificial hip joint | — | 1989-06-20 |
YK
Yasuhiro Kitamura
Overall (1989): #42,081 of 140,708Top 30%
1
Patents 1989