Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12266388 | Magnetic recording and reproducing device and adjustment method of the same | Takao Furuhashi | 2025-04-01 |
| 12260879 | Magnetic recording and reproducing device and control method thereof | Takuya Matsumoto | 2025-03-25 |
| 12223988 | Magnetic recording/reproducing device and control method of magnetic recording/reproducing device | — | 2025-02-11 |
| 12211531 | Magnetic recording and reproducing device | Masaya Ohtake | 2025-01-28 |
| 11862206 | Magnetic recording/reproducing device and magnetic recording/reproducing method | Masaya Ohtake, Akihiko Takeo | 2024-01-02 |
| 11670331 | Magnetic disk device | Akihiko Takeo, Takuya Matsumoto | 2023-06-06 |
| 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 | Yusuke Tomoda, Akihiko Takeo | 2020-12-01 |
| 10056102 | Magnetic recording medium and method of manufacturing the same | Kazutaka Takizawa, Akira Watanabe, Takeshi Iwasaki, Akihiko Takeo | 2018-08-21 |
| 9911448 | Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus | Takeshi Iwasaki, Kazutaka Takizawa, Akira Watanabe, Akihiko Takeo | 2018-03-06 |
| 9672858 | Magnetic recording medium manufacturing method | Akira Watanabe, Takeshi Iwasaki | 2017-06-06 |
| 9412405 | Pattern forming method and manufacturing method of magnetic recording medium | Akira Fujimoto, Akira Watanabe | 2016-08-09 |
| 9368143 | Method for forming pattern, method for producing magnetic recording medium using the same, magnetic recording medium, and method for producing stamper | Kazutaka Takizawa, Akira Watanabe, Takeshi Iwasaki, Akihiko Takeo | 2016-06-14 |
| 9343096 | Perpendicular magnetic recording medium | Akira Watanabe, Takeshi Iwasaki, Kazutaka Takizawa | 2016-05-17 |
| 9224413 | Magnetic recording medium and method of manufacturing the same | Kazutaka Takizawa, Akira Watanabe, Takeshi Iwasaki, Akihiko Takeo | 2015-12-29 |
| 9165588 | Pattern formation method and magnetic recording medium manufacturing method | Kazutaka Takizawa, Akira Fujimoto | 2015-10-20 |
| 9117478 | Pattern forming method, method of manufacturing magnetic recording medium and magnetic recording medium | Akira Watanabe, Katsuya Sugawara, Kazutaka Takizawa | 2015-08-25 |
| 9099143 | Method for producing magnetic recording medium | Kazutaka Takizawa, Takeshi Iwasaki, Akihiko Takeo | 2015-08-04 |
| 9028704 | Magnetic recording medium and method of manufacturing | Kazutaka Takizawa, Akira Watanabe, Takeshi Iwasaki, Akihiko Takeo | 2015-05-12 |
| 9012046 | Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus | Takeshi Iwasaki, Hiroyuki Hyodo, Masatoshi Sakurai | 2015-04-21 |
| 8995089 | Magnetic recording medium and method for producing the same | Kazutaka Takizawa, Akira Watanabe, Tsuyoshi Onitsuka, Takeshi Iwasaki, Masahiro Takashita +1 more | 2015-03-31 |
| 8980451 | Magnetic recording medium, method of manufacturing the same, and magnetic recording apparatus | Yoshiyuki Kamata, Takeshi Iwasaki | 2015-03-17 |
| 8858809 | Method of manufacturing magnetic recording medium | Akira Watanabe, Kazutaka Takizawa, Takeshi Iwasaki, Tsuyoshi Onitsuka, Akihiko Takeo | 2014-10-14 |
| 8815336 | Magnetic recording medium manufacturing method | Masatoshi Sakurai, Kazuto Kashiwagi, Akihiko Takeo | 2014-08-26 |
| 8703621 | Manufacturing method of magnetic recording medium | Kazutaka Takizawa, Masatoshi Sakurai, Akihiko Takeo | 2014-04-22 |
| 8652338 | Magnetic recording medium and method of manufacturing the same | Yoshiyuki Kamata, Satoshi Shirotori, Tsuyoshi Onitsuka | 2014-02-18 |