Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394437 | Magnetic tape, magnetic tape cartridge, and magnetic tape device | Shunichi Hoshino, Yoshihiro Sawayashiki | 2025-08-19 |
| 12057150 | Magnetic tape, magnetic tape cartridge, and magnetic tape device | — | 2024-08-06 |
| 11705155 | Magnetic tape having characterized PSD ratio, magnetic tape cartridge, and magnetic recording and reproducing apparatus | — | 2023-07-18 |
| 11270822 | Magnetic tape having characterized PSD ratio, magnetic tape cartridge, and magnetic recording and reproducing apparatus | — | 2022-03-08 |
| 11056142 | Magnetic recording medium | Shinji Kawakami, Sadamu Kuse, Kenji Tanaka | 2021-07-06 |
| 10586565 | Magnetic recording medium having specified polyester resin additive and magnetic recording medium composition | Toshihide Aoshima, Mika Imamura | 2020-03-10 |
| 8795858 | Magnetic recording medium and method of manufacturing the same | Masahide Sato, Katsumi Araki, Kazufumi Omura, Tomohiro Ichikawa, Tadahiro Ooishi | 2014-08-05 |
| 8617728 | Magnetic tape and method of manufacturing the same | Katsumi Araki, Tomohiro Ichikawa | 2013-12-31 |
| 8409594 | Solid oil-in-water emulsion | Shigeo Shinohara, Fumiki Harano, Isamu Saeki | 2013-04-02 |
| 7283320 | Magnetic recording medium including servo and data bands in the magnetic layer | Kiyomi Ejiri | 2007-10-16 |
| 7203031 | Substrate for thin-film magnetic head and method of manufacturing the substrate | Hironobu Tsubota, Taisuke Hirooka | 2007-04-10 |
| 6532132 | Methods for marking a sintered product and for fabricating magnetic head substrate | Takayuki Morikawa | 2003-03-11 |
| 6449123 | Methods for marking a sintered product and for fabricating magnetic head substrate | Takayuki Morikawa | 2002-09-10 |
| 5595946 | Substrate materials for magnetic heads with low flying height | Shin Mishima, Shigeru Kawahara, Shigeki Mohri, Toyoshige Sasaki, Michito Miyahara +1 more | 1997-01-21 |
| 5595947 | Substrate materials for magnetic head | Shin Mishima, Shigeru Kawahara, Toshiaki Wada, Michito Miyahara, Toyoshige Sasaki +2 more | 1997-01-21 |