Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12087340 | Magnetic recording medium | Natsuki ICHISE, Minoru Yamaga, Masaru Terakawa, 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, Masaru Terakawa +2 more | 2023-11-28 |
| 11551711 | Cobalt ferrite magnetic powder, method of producing the same, and magnetic recording medium | Natsuki ICHISE, Masaru Terakawa, 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, 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 |
| 11205455 | Magnetic recording medium | Masaru Terakawa, Minoru Yamaga | 2021-12-21 |
| 11170813 | Magnetic powder, method of producing the same, and magnetic recording medium | Atsushi Muramatsu, Masafumi Nakaya, Masaru Terakawa, Minoru Yamaga | 2021-11-09 |
| 11145328 | Magnetic recording medium | Masaru Terakawa, Minoru Yamaga | 2021-10-12 |
| 10872633 | Magnetic recording medium, laminate, and flexible device | Eiji Nakashio, Yuta Akimoto, Tomoe Sato, Yoichi Kanemaki, Nobuyuki Sasaki +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, Yoichi Kanemaki, Jun Hashimoto | 2020-11-17 |
| 10783914 | Ferrimagnetic particle powder and method of manufacturing ferrimagnetic particle powder, as well as magnetic recording medium and method of manufacturing magnetic recording medium | — | 2020-09-22 |
| 10748570 | Magnetic recording medium | Masaru Terakawa, Minoru Yamaga | 2020-08-18 |
| 10204651 | Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles | Eiji Nakashio, Minoru Yamaga, Masaru Terakawa, Yoichi Kanemaki, Jun Hashimoto | 2019-02-12 |
| 9805754 | Ferrimagnetic particle powder and manufacturing method therefor, and magnetic recording medium and manufacturing method therefor | — | 2017-10-31 |
| 7295402 | Magnetic tape cartridge and recorder/reproducer a magnetic tape cartridge | Wataru Okawa, Minoru Yamaga, Noriyuki Hirai, Satoshi Sato | 2007-11-13 |
| 6991861 | Magnetic recording medium | Akiko Watanabe, Tomoo Fukuda, Noboru Sekiguchi | 2006-01-31 |