Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653402 | Golf ball | Yasushi Ichikawa | 2003-11-25 |
| 6579939 | Golf ball | Yasushi Ichikawa, Rinya Takesue, Eiji Takehana | 2003-06-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653402 | Golf ball | Yasushi Ichikawa | 2003-11-25 |
| 6579939 | Golf ball | Yasushi Ichikawa, Rinya Takesue, Eiji Takehana | 2003-06-17 |