Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840381 | Golf ball | Keisuke Ihara, Jun Nomura | 1989-06-20 |
YA
Yasuhide Alaki
Overall (1989): #42,320 of 140,708Top 35%
1
Patents 1989