Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425428 | Steel cord having flat side surface portion, method of manufacturing same, and pneumatic tire reinforced with same | Shuichi Onuma, Naohiko Obana | 2002-07-30 |
| 5651246 | Method of production of steel cord for reinforcing products having a flat section | — | 1997-07-29 |