Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709345 | Iron golf club and golf club set | Isamu Toshinari, Tomomi Watanabe, Mamoru Saraie | 2004-03-23 |
| 6695712 | Golf club head, iron golf club head, wood golf club head, and golf club set | Hiroshi Nagao, Kanta Shimotaka, Kei Tsuji, Koji Sakai, Takashi Kimura | 2004-02-24 |