Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807880 | Epsilon iron oxide and method for producing the same, magnetic coating material and magnetic recording medium | Shin-ichi Ohkoshi, Asuka Namai, Kenji Masada | 2020-10-20 |