Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5516107 | Wood type golf club head | Toshio Kobayashi, Heihatiro Soeda, Kazuo Kawada | 1996-05-14 |
| 5416968 | Metal mold for producing wood golf club head and method of producing the club head | Masahiro Kato | 1995-05-23 |
| 5380004 | Iron-type golf club set | Mitsutake Teramoto, Hideyo Asabuki | 1995-01-10 |
| 5333859 | Constant swing golf club set by varied club length | Mitsutake Teramoto, Teruo Goto, Shinkichi Saito, Hideyo Asabuki | 1994-08-02 |
| 5322287 | Long wood-type golf club | Tetsuo Hayashi | 1994-06-21 |
| 5306450 | Method of producing wood type golf club head | Toshio Kobayashi, Heihatiro Soeda, Kazuo Kawada | 1994-04-26 |
| 5228694 | Iron golf club head made of fiber-reinforced resin | Toshio Ninomiya, Tetsuo Hayashi, Kazuo Kawada | 1993-07-20 |
| 5213329 | Golf club head | Tetsuo Hayashi, Atsushi Onozato | 1993-05-25 |
| 5205553 | Golf club | Tetsuo Hayashi | 1993-04-27 |
| 5193811 | Wood type golf club head | Atsushi Onozato | 1993-03-16 |
| 5158289 | Golf clubs | Tadashi Hayashida, Tetsuo Hayashi, Toshio Ninomiya | 1992-10-27 |
| 5149091 | Golf club head | Tetsuya Hayashi, Masahiro Kato | 1992-09-22 |
| 5135227 | Wood-type metal golf club head and process for producing the same | Heihatiro Soeda | 1992-08-04 |
| 5121918 | Constant swing golf club set by varied club length | Mitsutake Teramoto, Teruo Goto, Shinkichi Saito, Hideyo Asabuki | 1992-06-16 |
| 5100144 | Golf club head | Tetsuo Hayashi | 1992-03-31 |
| 5092599 | Wood golf club head | Tatsuo Nishimoto | 1992-03-03 |
| 5080366 | Wood-type golf club head | Toshio Ninomiya | 1992-01-14 |
| 5009423 | Wood golf club and its production method | Tadashi Hayashida, Kazuo Kawada, Tetsuo Hayashi | 1991-04-23 |
| 5009425 | Golf club head | Toshio Ninomiya, Tstsuya Hayashi | 1991-04-23 |
| 5007643 | Golf club head | Tatsuo Nishimoto, Hideaki Wakaki | 1991-04-16 |
| 4986541 | Iron golf club set | Mitsutake Teramoto, Shinkichi Saito, Hideyo Asabuki | 1991-01-22 |