Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12380924 | Magnetic tape with characterized AlFeSil abrasion value, magnetic tape cartridge, and magnetic tape apparatus | Yujin SHIBATA, Norihito Kasada, So Matsuyama | 2025-08-05 |
| 12374360 | Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus | Norihito Kasada, Yujin SHIBATA, So Matsuyama | 2025-07-29 |
| 12190918 | Magnetic recording and reproducing device | So Matsuyama, Norihito Kasada | 2025-01-07 |
| 11862214 | Magnetic tape, magnetic tape cartridge, and magnetic tape device | Yujin SHIBATA, Norihito Kasada, So Matsuyama | 2024-01-02 |
| 11514940 | Magnetic recording medium and magnetic recording and reproducing device | Naoki Sano, Norihito Kasada, Eiki Ozawa | 2022-11-29 |
| 11508408 | Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape apparatus | Naoki Sano, Norihito Kasada | 2022-11-22 |
| 11501799 | Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device | Hidemasa Hosoda, Norihito Kasada, Takahiro Iwamoto | 2022-11-15 |
| 11462242 | Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device | Takahiro Iwamoto, Hidemasa Hosoda, Norihito Kasada | 2022-10-04 |
| 11373680 | Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device | Takahiro Iwamoto, Hidemasa Hosoda, Norihito Kasada | 2022-06-28 |
| 11367460 | Magnetic recording medium and magnetic recording and reproducing device | Eiki Ozawa | 2022-06-21 |
| 11348604 | Magnetic recording and reproducing device | So Matsuyama, Norihito Kasada | 2022-05-31 |
| 11302357 | Magnetic recording medium having characterized back coat and magnetic recording and reproducing apparatus | Naoki Sano, Eiki Ozawa, Norihito Kasada, Megumi Nakano | 2022-04-12 |
| 11270725 | Magnetic recording medium having characterized magnetic layer, and magnetic recording and reproducing apparatus | Naoki Sano, Eiki Ozawa, Norihito Kasada | 2022-03-08 |
| 11270728 | Magnetic recording medium having characterized back coating layer and magnetic recording and reproducing apparatus | Naoki Sano, Norihito Kasada, Eiki Ozawa, Megumi Nakano | 2022-03-08 |
| 11211087 | Magnetic tape having characterized back coating layer, magnetic recording medium and magnetic recording and reproducing device | Eiki Ozawa | 2021-12-28 |
| 10937456 | Magnetic tape | Norihito Kasada, Masahito Oyanagi | 2021-03-02 |
| 10896692 | Magnetic tape | Norihito Kasada, Masahito Oyanagi | 2021-01-19 |
| 10861491 | Magnetic tape | Masahito Oyanagi, Norihito Kasada | 2020-12-08 |
| 10854232 | Magnetic recording medium having characterized magnetic layer | Eiki Ozawa, Norihito Kasada, Toshio Tada | 2020-12-01 |
| 10854228 | Magnetic tape having characterized magnetic layer | Norihito Kasada, Toshio Tada, Eiki Ozawa | 2020-12-01 |
| 10854229 | Magnetic tape having characterized magnetic layer | Eiki Ozawa, Toshio Tada, Norihito Kasada | 2020-12-01 |
| 10854230 | Magnetic tape having characterized magnetic layer | Norihito Kasada, Toshio Tada, Eiki Ozawa | 2020-12-01 |
| 10854227 | Magnetic recording medium having characterized magnetic layer | Norihito Kasada, Toshio Tada, Eiki Ozawa | 2020-12-01 |
| 10839849 | Magnetic recording medium having characterized magnetic layer | Toshio Tada, Norihito Kasada, Eiki Ozawa | 2020-11-17 |
| 10839850 | Magnetic tape having characterized magnetic layer | Toshio Tada, Norihito Kasada, Eiki Ozawa | 2020-11-17 |