Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8241140 | Golf club head | Hideo Matsunaga | 2012-08-14 |
| 8216089 | Golf club head | Hideo Matsunaga, Makoto Kubota | 2012-07-10 |
| 7942759 | Golf club head | Hideo Matsunaga, Makoto Kubota | 2011-05-17 |
| 7883431 | Golf club head | Hideo Matsunaga, Makoto Kubota | 2011-02-08 |
| 7819758 | Golf club head | Hideo Matsunaga, Makoto Kubota | 2010-10-26 |
| 7819759 | Golf club head | Hideo Matsunaga, Makoto Kubota | 2010-10-26 |
| 7798916 | Golf club head | Hideo Matsunaga, Makoto Kubota | 2010-09-21 |
| 7686706 | Golf club head | Hideo Matsunaga, Makoto Kubota | 2010-03-30 |
| 6783466 | Golf club head | Teruaki Seki, Hideo Matsunaga | 2004-08-31 |
| 5823887 | Iron golf club set | Daisuke Mikame, Hirato Shimasaki, Hiroshi Ezaki | 1998-10-20 |
| 5603667 | Golf club head | Hiroshi Ezaki, Hidekimi Inoue, Ryohei Uji, Hirato Shimasaki, Hideyuki Ishii | 1997-02-18 |
| 5386996 | Golf club head | Ikuo Aoki, Ryohei Uji, Hirato Shimasaki, Hiroshi Ezaki, Hideyuki Ishii +1 more | 1995-02-07 |