Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582325 | Solid golf balls and method of making | Yasushi Ichikawa, Shunichi Kashiwagi, Rinya Takesue, Kunitoshi Ishihara | 2003-06-24 |
| 6123628 | Solid golf balls and method of making | Yasushi Ichikawa, Shunichi Kashiwagi, Rinya Takesue, Kunitoshi Ishihara | 2000-09-26 |
| 6054550 | Wound golf ball | Junji Umezawa, Shinichi Kakiuchi, Yasushi Ichikawa, Kunitoshi Ishihara | 2000-04-25 |
| 5993968 | Wound golf ball | Junji Umezawa, Shinichi Kakiuchi, Yutaka Masutani, Kunitoshi Ishihara | 1999-11-30 |
| 5899822 | Three-piece solid golf ball | Hisashi Yamagishi, Hiroshi Higuchi, Junji Hayashi, Kunitoshi Ishihara | 1999-05-04 |
| 5876294 | Three-piece solid golf ball | Hisashi Yamagishi, Hiroshi Higuchi, Junji Hayashi, Kunitoshi Ishihara | 1999-03-02 |
| 5800286 | Golf ball | Shinichi Kakiuchi, Yasushi Ichikawa, Takashi Maruko, Junji Umezawa, Kunitoshi Ishihara | 1998-09-01 |
| 5792008 | Golf ball | Shinichi Kakiuchi, Yasushi Ichikawa, Takashi Maruko, Junji Umezawa, Kunitoshi Ishihara | 1998-08-11 |