Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836262 | Metal cords and pneumatic tires using the same | Kuninori Nishizawa, Teruo Miura, Yoichi Watanabe | 1989-06-06 |
| 4818601 | Rubber-cord composite bodies | Michio Itoh, Tadashi Saito, Nobuyuki Okamura, Hisao Yamamoto, Yutaka Iseda | 1989-04-04 |