| Number | Date | Country | Kind |
|---|---|---|---|
| 1-20943 | Dec 1989 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D275746 | Motomura et al. | Oct 1984 | |
| D309592 | Shomura | Jul 1990 |
| Entry |
|---|
| 1989 Tread Design Guide, p. 147, Yokohama Super Steel TY025 Tire, second row down from top, left side of page. |
| 1989 Tread Design Guide, p. 152, Bridgestone V-Steel Mix 711 Tire, second row down from top, left side of page. |