Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8844854 | Electric fishing reel | Hideki Jyo, Tomoyuki Amano, Sakae Kobayashi | 2014-09-30 |
| 8182362 | Golf club head | Takeshi Kasai, Atsushu Iijima, Hitoshi Tamura | 2012-05-22 |
| 7931542 | Golf club | — | 2011-04-26 |
| 7775906 | Golf club | — | 2010-08-17 |
| 7448962 | Golf club | — | 2008-11-11 |
| 7445564 | Golf club head | — | 2008-11-04 |
| 7115048 | Iron head for a golf club | Atsushi Iijima | 2006-10-03 |
| 7025117 | Golf club head | Akinori Sasamoto | 2006-04-11 |
| 6966848 | Golf club head and method of manufacturing the same | — | 2005-11-22 |
| 6926616 | Golf club head | Akinori Sasamoto | 2005-08-09 |
| D497964 | Golf club head | Takayuki Nagao | 2004-11-02 |
| D491993 | Golf club head | Masahide Akiyama | 2004-06-22 |
| 6634958 | Golf club | — | 2003-10-21 |
| 6524195 | Tubular body | — | 2003-02-25 |
| 6402637 | Golf club head | Akinori Sasamoto, Atsushi Matsuo, Yasuto Imai | 2002-06-11 |
| 6322458 | Golf club shaft | Satoshi Saitoh, Atsushi Matsuo | 2001-11-27 |
| 6306047 | Golf club shaft | — | 2001-10-23 |
| 6193614 | Golf club head | Akinori Sasamoto, Atsushi Matsuo, Yasuto Imai | 2001-02-27 |
| 6106413 | Tubular body | — | 2000-08-22 |
| 6056648 | Golf club shaft | Atsushi Matsuo | 2000-05-02 |
| 5947839 | Golf club shaft | — | 1999-09-07 |
| 5427373 | Shaft for golf club | — | 1995-06-27 |