Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102095 | Corrosion resistant steel cords and pneumatic tires reinforced with same | Naohiko Obana, Yoshikazu Kaneko | 2000-08-15 |
| 4904553 | Polyaniline | Tadashi Nakajima, Shinichi Toyosawa, Shigeru Kijima, Katsuhiko Arai, Yuko Maeda +4 more | 1990-02-27 |