Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072537 | Ferrite powder, resin composition, and molded article | Tetsuya Igarashi | 2021-07-27 |
| 11032955 | Ferrite powder, resin composition, electromagnetic shielding material, electronic circuit substrate, electronic circuit component, and electronic device housing | Tetsuya Igarashi | 2021-06-08 |
| 11014826 | Ferrite particles, resin composition and resin film | Takashi Kojima, Kazutaka ISHII, Takao Sugiura, Tetsuya Igarashi | 2021-05-25 |
| 10919779 | Iron oxide powder for brake friction material | Takashi Kojima | 2021-02-16 |