Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659890 | Multi-piece solid golf ball | Hisashi Yamagishi, Hiroshi Higuchi, Yasushi Ichikawa | 2003-12-09 |
| 6656060 | Golf ball | Yutaka Masutani, Hisashi Yamagishi | 2003-12-02 |
| 6632148 | Golf ball | Hisashi Yamagishi, Yasumasa Shimizu | 2003-10-14 |
| 6602152 | Golf ball | Hisashi Yamagishi, Yasumasa Shimizu | 2003-08-05 |
| 6575849 | Golf ball | Yutaka Masutani, Hisashi Yamagishi | 2003-06-10 |
| 6565456 | Multi-piece golf ball | Rinya Takesue, Toshiaki Yamanaka | 2003-05-20 |
| 6565455 | Multi-piece golf ball | Rinya Takesue, Toshiaki Yamanaka | 2003-05-20 |
| 6561926 | Golf ball | Yutaka Masutani, Hisashi Yamagishi | 2003-05-13 |
| 6531883 | Thermal printer and device and method for measuring resistance of heating element of thermal head of thermal printer | — | 2003-03-11 |