Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435981 | Metal golf club head | Koji Sakai, Yoshihiro Fujikawa | 2002-08-20 |
| 6428425 | Metal golf club head | Koji Sakai, Yoshihiro Fujikawa | 2002-08-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435981 | Metal golf club head | Koji Sakai, Yoshihiro Fujikawa | 2002-08-20 |
| 6428425 | Metal golf club head | Koji Sakai, Yoshihiro Fujikawa | 2002-08-06 |