Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11324290 | Element and slide fastener | Shigeru Tsuchida | 2022-05-10 |
| 11246382 | Copper alloy fastener element and slide fastener | Takanori Kumei, Atsushi Ogihara, Yoshio Taira, Muneyoshi Yokota, Takahiro Fukuyama +1 more | 2022-02-15 |