Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11087792 | Oriented body, method for producing the same, device for producing the same, and magnetic recording medium | Shin-ichi Ohkoshi, Kenta Imoto, Shizuka Anan, Asuka Namai | 2021-08-10 |
| 10807880 | Epsilon iron oxide and method for producing the same, magnetic coating material and magnetic recording medium | Shin-ichi Ohkoshi, Syunsuke Oka, Asuka Namai | 2020-10-20 |
| 10669161 | Oriented body containing e-iron oxide, method for producing the same, and device for producing the same | Shin-ichi Ohkoshi, Hiroko Tokoro, Koji Nakabayashi, Asuka Namai, Kenta Imoto | 2020-06-02 |
| 9741479 | Magnetic powder for magnetic recording medium | Hirohisa Omoto, Futoshi NAGASHIMA, Daisuke Abe, Toshio Tada, Norihito Kasada | 2017-08-22 |
| 8852314 | Method of producing magnetic powder for magnetic recording medium | Shinichi Konno, Kenichi Inoue, Toshihiko Ueyama, Shinya Sasaki | 2014-10-07 |
| 8801956 | Hexagonal crystal ferrite magnetic powder for magnetic recording, method for producing the same, and magnetic recording medium using the powder | Tomoyuki Ishiyama, Gousuke Iwasaki | 2014-08-12 |
| 8110048 | Magnetic powder suitable for low-noise media | Yuzo Ishikawa, Hiroshi Kimura | 2012-02-07 |
| 7371458 | High-weatherability iron nitride-based magnetic powder and method of manufacturing the powder | Takayuki Yoshida, Takafumi Amino | 2008-05-13 |
| 7332220 | Iron nitride magnetic powder and method of producing the powder | Takafumi Amino, Akira Nagatomi | 2008-02-19 |
| 7314666 | Iron nitride system magnetic powder having good storage stability | Hiroshi Kimura, Takafumi Amino | 2008-01-01 |
| 7241501 | Iron nitride magnetic powder and method of producing the powder | Takafumi Amino, Akira Nagatomi | 2007-07-10 |