Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939250 | Multi-piece golf ball | Junji Hayashi, Yasumasa Shimizu, Yasushi Ichikawa | 2005-09-06 |
| 6855072 | Multi-piece solid golf ball | Hiroshi Higuchi, Junji Hayashi, Akira Kawata | 2005-02-15 |