Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945876 | Hollow golf club head | Norihiko Nakahara, Masahiko Miyamoto | 2005-09-20 |
| 6929565 | Golf club head | Norihiko Nakahara, Yoh Nishizawa, Shinji Yamamoto | 2005-08-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945876 | Hollow golf club head | Norihiko Nakahara, Masahiko Miyamoto | 2005-09-20 |
| 6929565 | Golf club head | Norihiko Nakahara, Yoh Nishizawa, Shinji Yamamoto | 2005-08-16 |