Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840381 | Golf ball | Keisuke Ihara, Jun Nomura | 1989-06-20 |
| 4681323 | Golf ball | Masayuki Ohtake, Keisuke Ihara | 1987-07-21 |
YA
Yasuhide Alaki
Overall (All Time): #2,331,410 of 4,157,543Top 60%
2
Patents All Time