Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840380 | Set of gold clubs | Hiroshi Esaki, Hirato Shimazaki | 1989-06-20 |
RK
Ryota Kajita
Overall (1989): #59,841 of 140,708Top 45%
1
Patents 1989