Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394436 | Magnetic recording medium | Eiji Nakashio, Futoshi Sasaki, Yuuichi Masuzawa, Minoru Yamaga, Yoichi Kanemaki +3 more | 2025-08-19 |
| 12293780 | Magnetic recording medium having a particular specific surface area, magnetic recording and reproducing apparatus, and magnetic recording medium cartridge | Minoru Yamaga | 2025-05-06 |
| 12087340 | Magnetic recording medium | Natsuki ICHISE, Minoru Yamaga, Katsunori Maeshima, Takeshi Takahashi, Tomoe Sato +1 more | 2024-09-10 |
| 11830533 | Method of producing magnetic powder and method of producing magnetic recording medium | Natsuki Toyosawa, Norikatsu Fujisawa, Yuta Akimoto, Satoru Abe, Katsunori Maeshima +2 more | 2023-11-28 |
| 11830532 | Magnetic recording medium including magnetic layer having magnetic powder, magnetic recording/reproducing device, and magnetic recording medium cartridge | Minoru Yamaga | 2023-11-28 |
| 11798588 | Magnetic recording medium | Yoichi Kanemaki, Minoru Yamaga | 2023-10-24 |
| 11749304 | Magnetic recording medium having controlled dimensional variation | Minoru Yamaga | 2023-09-05 |
| 11626128 | Magnetic recording medium | Minoru Yamaga | 2023-04-11 |
| 11574651 | Magnetic recording medium having -iron oxide-containing particles | Yoichi Kanemaki, Minoru Yamaga | 2023-02-07 |
| 11551711 | Cobalt ferrite magnetic powder, method of producing the same, and magnetic recording medium | Natsuki ICHISE, Katsunori Maeshima, Takashi KATAGUCHI, Takeshi Takahashi | 2023-01-10 |
| 11521649 | Method of producing a magnetic powder and method of producing a magnetic recording medium | Atsushi Muramatsu, Masafumi Nakaya, Satoru Abe, Natsuki Toyosawa, Katsunori Maeshima | 2022-12-06 |
| 11514941 | Magnetic recording medium having controlled saturation flux density | Minoru Yamaga | 2022-11-29 |
| 11430477 | Magnetic recording medium | Yoichi Kanemaki, Minoru Yamaga | 2022-08-30 |
| 11355270 | Magnetic powder, method for production thereof, and magnetic recording medium | Minoru Yamaga | 2022-06-07 |
| 11355145 | Magnetic recording medium | Eiji Nakashio, Yoichi Kanemaki, Tomoe Sato, Katsunori Maeshima, Nobuyuki Sasaki | 2022-06-07 |
| 11315594 | Magnetic recording medium having controlled dimensional variation | Minoru Yamaga | 2022-04-26 |
| 11270729 | Magnetic recording medium | Minoru Yamaga, Katsunori Maeshima | 2022-03-08 |
| 11217277 | Magnetic recording medium having controlled coercive force ratio | Yoichi Kanemaki, Minoru Yamaga | 2022-01-04 |
| 11205455 | Magnetic recording medium | Minoru Yamaga, Katsunori Maeshima | 2021-12-21 |
| 11170813 | Magnetic powder, method of producing the same, and magnetic recording medium | Atsushi Muramatsu, Masafumi Nakaya, Katsunori Maeshima, Minoru Yamaga | 2021-11-09 |
| 11145328 | Magnetic recording medium | Minoru Yamaga, Katsunori Maeshima | 2021-10-12 |
| 11031033 | Magnetic recording medium and cartridge | Minoru Yamaga, Takanobu Iwama, Jun Takahashi | 2021-06-08 |
| 11031034 | Magnetic recording medium having a recording layer including epsilon-iron oxide | Yoichi Kanemaki, Minoru Yamaga | 2021-06-08 |
| 10923148 | Magnetic recording medium | Taikei ENOMOTO, Minoru Yamaga | 2021-02-16 |
| 10872633 | Magnetic recording medium, laminate, and flexible device | Eiji Nakashio, Yuta Akimoto, Tomoe Sato, Yoichi Kanemaki, Nobuyuki Sasaki +5 more | 2020-12-22 |