Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043168 | Golf ball | Tsutomu Hirau | 2011-10-25 |
| 7976412 | Golf ball | Tsutomu Hirau | 2011-07-12 |
| 7927235 | Golf ball | Masatoshi Yokota, Seiichiro Endo, Masaaki Kikuchi, Koichi Fujisawa | 2011-04-19 |
| 7914399 | Golf ball | Masatoshi Yokota, Seiichiro Endo, Masaaki Kikuchi, Koichi Fujisawa | 2011-03-29 |