Issued Patents All Time
Showing 76–86 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377861 | Golf club head | Atsuo Tateno | 2008-05-27 |
| D545386 | Iron golf club head | Vinh-Duy Thai Nguyen, Yasushi Ichikawa, David L. Walker | 2007-06-26 |
| 7182699 | Golf club head | — | 2007-02-27 |
| 7156750 | Golf club head | Masafumi Nishitani | 2007-01-02 |
| 6949031 | Golf club head | Yasunori Imamoto | 2005-09-27 |
| 6880222 | Method of manufacturing a golf club head | — | 2005-04-19 |
| 6783466 | Golf club head | Teruaki Seki, Masaomi Hiruta | 2004-08-31 |
| 6783465 | Golf club head | — | 2004-08-31 |
| 6478693 | Golf club head | Masashi Nishitani | 2002-11-12 |
| 6331149 | Wood club head | Daisuke Mikame, Wataru Ban | 2001-12-18 |
| 4722777 | Improvement of electrophoretic element using polyacrylamide gel | Masashi Ogawa, Yukio Shinagawa | 1988-02-02 |