Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357385 | Filamentary yarn useful for the weft component of a tire cord fabric and a tire cord fabric including such a yarn | Seiji Ishii, Shiro Kumakawa, Koh-ichi Iohara | 1982-11-02 |
| 4356234 | Thermoplastic synthetic filaments and process for producing the same | Shiro Kumakawa | 1982-10-26 |