Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770224 | Method for forming electrolytic copper plating film on surface of rare earth metal-based permanent magnet | Koshi Yoshimura | 2020-09-08 |
| 9873953 | Method for removing rare earth impurities from nickel-electroplating solution | — | 2018-01-23 |
| 9771664 | Method for removing rare earth impurities from nickel-electroplating solution | — | 2017-09-26 |
| 9695524 | Method for removing rare earth impurities from nickel-electroplating solution | — | 2017-07-04 |
| 9275794 | Corrosion-resistant magnet and method for producing the same | Atsushi Kikugawa, Koshi Yoshimura, Yoshimi Tochishita, Nobuhiro Misumi | 2016-03-01 |
| 9267217 | Production method for R—Fe—B based sintered magnet having plating film on surface thereof | Koshi Yoshimura, Takahiro Isozaki | 2016-02-23 |
| 8163106 | R-Fe-B based sintered magnet having on the surface thereof vapor deposited film of aluminum or alloy thereof, and method for producing the same | Atsushi Kikugawa, Koshi Yoshimura, Yoshimi Tochishita, Nobuhiro Misumi | 2012-04-24 |