Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11521768 | Ferrite powder, resin composition, and molded body | Kazutaka ISHII, Takao Sugiura, Takashi Kojima | 2022-12-06 |
| 11359689 | Iron oxide powder for brake friction material | Takashi Kojima | 2022-06-14 |