Issued Patents All Time
Showing 1–8 of 8 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 |
| 10786051 | Element for slide fastener | Koichi Mikado, Yasuharu Yoshimura, Tetsuya Katsumi, Tatewaki Ido | 2020-09-29 |
| 10760146 | Fastening copper alloy | Kouta Kido, Takuya Koizumi, Yasuharu Yoshimura, Atsushi Ogihara, Kouichi Mikado +2 more | 2020-09-01 |
| 10161019 | Metallic fastener member having light gold color, and fastener provided therewith | Yasuharu Yoshimura, Kousuke Seki, Atsushi Ogihara, Chikako Hiromi, Takuya Koizumi +4 more | 2018-12-25 |
| 9781981 | Stop for a slide fastener, and a method for the manufacture thereof | Yusuke Meiwa, Hayato Ishii, Futoshi Kozato, Takuro Hayashi, Massimiliano Di Girolami +1 more | 2017-10-10 |
| 9023272 | Copper-zinc alloy product and process for producing copper-zinc alloy product | Yasuharu Yoshimura, Takuya Koizumi, Koichi Mikado, Atsushi Ogihara | 2015-05-05 |
| 6340446 | Nickel-free white copper alloy | Kazuhiko Kita, Yasuhiko Sugimoto, Yasuharu Yoshimura | 2002-01-22 |