Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919393 | Solid golf ball | Masatoshi Yokota | 2005-07-19 |
| 6838524 | Solid golf ball | Seigou Sakagami | 2005-01-04 |
| 6787609 | Solid golf ball | Seigou Sakagami | 2004-09-07 |
| 6692381 | Solid golf ball | Seigou Sakagami, Akihiro Nakahara | 2004-02-17 |
| 6583229 | Solid golf ball | Masatoshi Yokota, Kiyoto Maruoka, Seigou Sakagami, Tetsuo Yamaguchi | 2003-06-24 |
| 5861465 | Thread rubber for golf balls | Akihiko Hamada, Atsuko Ochi, Kuniyasu Horiuchi, Michio Suzuki | 1999-01-19 |