Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656108 | Pneumatic radial tire having inner carcass ply cord tension smaller than the outer carcass ply cord tension | Masayuki Sakamoto, Toshihiko Omokawa | 1997-08-12 |
| 5628843 | Pneumatic tire with groove having three different cross-sectional shapes | — | 1997-05-13 |