Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020595 | Pneumatic tire with tread having sipes and shallow grooves | Yukihiro Kiwaki, Ryoichi Watabe, Kenichi Shibata | 2011-09-20 |
| 6182433 | Steel cords for the reinforcement of rubber articles | — | 2001-02-06 |