Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11246382 | Copper alloy fastener element and slide fastener | Takanori Kumei, Atsushi Ogihara, Chikako Hiromi, Yoshio Taira, Muneyoshi Yokota +1 more | 2022-02-15 |
| 10918171 | Copper alloy fastener element and slide fastener | Takanori Kumei, Atsushi Ogihara, Chikako Hiromi, Yoshio Taira, Muneyoshi Yokota +1 more | 2021-02-16 |
| 10760146 | Fastening copper alloy | Takuya Koizumi, Yasuharu Yoshimura, Takahiro Fukuyama, Atsushi Ogihara, Kouichi Mikado +2 more | 2020-09-01 |
| 10178898 | Metallic fastener member and fastener equipped with same | Takuya Koizumi, Yasuhara Yoshimura, Kyudo Ota, Itaru Hasegawa, Kazuya Akitsu +1 more | 2019-01-15 |
| 10161019 | Metallic fastener member having light gold color, and fastener provided therewith | Yasuharu Yoshimura, Takahiro Fukuyama, Kousuke Seki, Atsushi Ogihara, Chikako Hiromi +4 more | 2018-12-25 |