Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12417785 | Magnetic disk apparatus and method | Takayuki Kawabe | 2025-09-16 |
| 12347456 | Method and magnetic disk apparatus | — | 2025-07-01 |
| 12236985 | Magnetic disk device | — | 2025-02-25 |
| 12230302 | Magnetic disk device and method | — | 2025-02-18 |
| 11735221 | Magnetic disk device and method of changing recording mode | — | 2023-08-22 |
| 11600292 | Magnetic disk device | Takuya Matsumoto | 2023-03-07 |
| 11594250 | Magnetic disk device and rewrite processing method | Akihiko Takeo | 2023-02-28 |
| 11508409 | Magnetic disk device and write processing method | — | 2022-11-22 |
| 11189305 | Magnetic disk device and write processing method | — | 2021-11-30 |
| 11176965 | Magnetic disk device | Mio Okada, Toru Watanabe, Gaku Koizumi | 2021-11-16 |
| 11017804 | Magnetic disk device and method of setting recording capacity | Tatsuo Nitta | 2021-05-25 |
| 11004468 | Magnetic disk device and method for adjusting write data | Nobuhiro Maeto | 2021-05-11 |
| 10957343 | Disk device having conventional magnetic recording region and shingled magnetic recording region of different linear density | — | 2021-03-23 |
| 10957345 | Magnetic disk device and write processing method | — | 2021-03-23 |
| 10916266 | Magnetic disk device capable of setting recording condition using servo pattern | Takeyori Hara, Nobuhiro Maeto | 2021-02-09 |
| 10854222 | Magnetic recording and reproducing device having a magnetic recording head including a magnetic flux control layer between a main magnetic pole and an auxiliary magnetic pole | Kaori Kimura, Akihiko Takeo | 2020-12-01 |
| 10847183 | Magnetic disk device and write processing method | — | 2020-11-24 |
| 10741203 | Magnetic recording head and magnetic recording and reproducing device comprising the same | — | 2020-08-11 |
| 10657990 | Magnetic head and disk device having gap layers with different magnetic relative permeabilities | Masaya Ohtake, Akihiko Takeo, Naoyuki Narita, Gaku Koizumi, Tomoyuki Maeda | 2020-05-19 |
| 10614839 | Magnetic recording head and magnetic recording and reproducing device comprising the same | — | 2020-04-07 |
| 10403308 | Magnetic disk device which controls a recording operation and a non-recording operation of a recording head and a recording head control method of the magnetic disk device | Gaku Koizumi, Akihiko Takeo, Naoyuki Narita, Masaya Ohtake, Tomoyuki Maeda | 2019-09-03 |
| 10360931 | Magnetic recording apparatus | Masaya Ohtake, Akihiko Takeo, Gaku Koizumi | 2019-07-23 |
| 10276193 | Magnetic head having magnetic pole and shield, and magnetic recording and reproducing device | Naoyuki Narita, Tomoyuki Maeda, Masaya Ohtake, Gaku Koizumi, Akihiko Takeo | 2019-04-30 |
| 10037769 | Magnetic disk device and write processing method | Koji Yano | 2018-07-31 |
| 9978404 | Magnetic recording head and disk device with the same | Tomoko Taguchi, Kenichiro Yamada, Satoshi Shirotori, Naoyuki Narita | 2018-05-22 |