Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106412 | Golf club head | Kazuhiro Tsuchiya, Toshiharu Hoshi, Yoshimi Iitake | 2000-08-22 |
KK
Katsuhiko Kosugi
Overall (All Time): #3,624,696 of 4,157,543Top 90%
1
Patents All Time