Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929565 | Golf club head | Norihiko Nakahara, Tomoaki Mori, Shinji Yamamoto | 2005-08-16 |
| 6916251 | Golf club set and golf club shaft set | Takayuki Shiraishi, Masayoshi Kogawa, Masaki Akie | 2005-07-12 |