Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8834292 | Iron golf club head and iron golf club | Kei Tsuji, Naoya Joichi, Yasuyuki Ohta, Noriyuki Tabuchi, Kazuhiro Doi | 2014-09-16 |
| 6899638 | Golf club | Mototaka Iwata, Kenji Onoda, Koji Sakai, Takeshi Naruo, Kazuhiro Ohmori +1 more | 2005-05-31 |