Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394436 | Magnetic recording medium | Eiji Nakashio, Futoshi Sasaki, Yuuichi Masuzawa, Masaru Terakawa, Minoru Yamaga +3 more | 2025-08-19 |
| 11798588 | Magnetic recording medium | Masaru Terakawa, Minoru Yamaga | 2023-10-24 |
| 11574651 | Magnetic recording medium having -iron oxide-containing particles | Masaru Terakawa, Minoru Yamaga | 2023-02-07 |
| 11468910 | Magnetic recording medium having reinforced substrate | Hiroto Atagi, Noboru Sekiguchi, Takashi Aizawa, Tomoe Ozaki, Koji Suzuki +3 more | 2022-10-11 |
| 11430477 | Magnetic recording medium | Masaru Terakawa, Minoru Yamaga | 2022-08-30 |
| 11355145 | Magnetic recording medium | Eiji Nakashio, Masaru Terakawa, Tomoe Sato, Katsunori Maeshima, Nobuyuki Sasaki | 2022-06-07 |
| 11217277 | Magnetic recording medium having controlled coercive force ratio | Masaru Terakawa, Minoru Yamaga | 2022-01-04 |
| 11031034 | Magnetic recording medium having a recording layer including epsilon-iron oxide | Masaru Terakawa, Minoru Yamaga | 2021-06-08 |
| 10872633 | Magnetic recording medium, laminate, and flexible device | Eiji Nakashio, Yuta Akimoto, Tomoe Sato, Nobuyuki Sasaki, Masaru Terakawa +5 more | 2020-12-22 |
| 10839848 | Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles | Eiji Nakashio, Minoru Yamaga, Masaru Terakawa, Katsunori Maeshima, Jun Hashimoto | 2020-11-17 |
| 10803897 | Magnetic recording medium | Masaru Terakawa, Minoru Yamaga | 2020-10-13 |
| 10204651 | Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles | Eiji Nakashio, Minoru Yamaga, Masaru Terakawa, Katsunori Maeshima, Jun Hashimoto | 2019-02-12 |
| 7180694 | Recording and/or reproducing apparatus, recording and/or reproducing method, recording medium and program | Takashi Kawashima, Yutaka Okazaki | 2007-02-20 |