Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11521649 | Method of producing a magnetic powder and method of producing a magnetic recording medium | Atsushi Muramatsu, Masafumi Nakaya, Masaru Terakawa, Satoru Abe, Natsuki Toyosawa | 2022-12-06 |
| 11355145 | Magnetic recording medium | Eiji Nakashio, Masaru Terakawa, Yoichi Kanemaki, Tomoe Sato, Nobuyuki Sasaki | 2022-06-07 |
| 11270729 | Magnetic recording medium | Masaru Terakawa, Minoru Yamaga | 2022-03-08 |