Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11246382 | Copper alloy fastener element and slide fastener | Takanori Kumei, Atsushi Ogihara, Chikako Hiromi, Muneyoshi Yokota, Takahiro Fukuyama +1 more | 2022-02-15 |
| 10918171 | Copper alloy fastener element and slide fastener | Takanori Kumei, Atsushi Ogihara, Chikako Hiromi, Muneyoshi Yokota, Takahiro Fukuyama +1 more | 2021-02-16 |
| 10760146 | Fastening copper alloy | Kouta Kido, Takuya Koizumi, Yasuharu Yoshimura, Takahiro Fukuyama, Atsushi Ogihara +2 more | 2020-09-01 |