Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674137 | Wound golf ball | Shinichi Kakiuchi, Junji Hayashi | 1997-10-07 |
| 5655977 | Wound golf ball | Shinichi Kakiuchi, Junji Hayashi | 1997-08-12 |
| 5628699 | Wound golf ball | Shinichi Kakiuchi, Junji Hayashi | 1997-05-13 |