Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11244700 | Magnetic recording medium, sputtering target, sputtering target manufacturing method, and magnetic storage apparatus | Katsumi Murofushi, Yoshitaka Ishibashi, Takayuki Fukushima, Kazuya Niwa, Lei Zhang +5 more | 2022-02-08 |
| 11037591 | Heat-assisted magnetic recording medium and magnetic storage apparatus | Lei Zhang, Chen Xu, Takayuki Fukushima, Kazuya Niwa, Hisato Shibata +2 more | 2021-06-15 |
| 10978103 | Magnetic recording medium and magnetic storage apparatus | Takayuki Fukushima, Kazuya Niwa, Lei Zhang, Hisato Shibata, Takehiro Yamaguchi +2 more | 2021-04-13 |
| 10803895 | Magnetic recording medium and magnetic storage apparatus | Takayuki Fukushima, Haruhisa OHASHI, Lei Zhang, Yuji Murakami, Hisato Shibata +1 more | 2020-10-13 |
| 10706884 | Magnetic recording medium and magnetic storage apparatus | Takayuki Fukushima, Haruhisa OHASHI, Lei Zhang, Yuji Murakami, Hisato Shibata +1 more | 2020-07-07 |
| 10699737 | Magnetic recording medium and magnetic storage apparatus | Takayuki Fukushima, Haruhisa OHASHI, Lei Zhang, Yuji Murakami, Hisato Shibata +1 more | 2020-06-30 |
| 10643649 | Heat-assisted magnetic recording medium and magnetic storage apparatus | Shin Saito, Takayuki Fukushima, Lei Zhang, Hisato Shibata, Takehiro Yamaguchi +4 more | 2020-05-05 |
| 10614849 | Heat-assisted magnetic recording medium and magnetic storage apparatus | Takayuki Fukushima, Koji Take, Hisato Shibata, Takehiro Yamaguchi, Tomoo Shige +5 more | 2020-04-07 |
| 10553242 | Heat-assisted magnetic recording medium and magnetic storage apparatus | Lei Zhang, Takayuki Fukushima, Chen Xu, Kazuya Niwa, Hisato Shibata +2 more | 2020-02-04 |
| 10360936 | Assisted magnetic recording medium including a pinning layer and magnetic storage device | Kazuya Niwa, Yuji Murakami, Lei Zhang, Hisato Shibata, Takayuki Fukushima +2 more | 2019-07-23 |
| 10283154 | Magnetic recording medium and magnetic storage apparatus | Shintaro Hinata, Shin Saito, Takayuki Fukushima, Haruhisa OHASHI, Kazuya Niwa +5 more | 2019-05-07 |
| 10127939 | Magnetic storage apparatus including a magnetic recording medium having a barrier layer between two heat sink layers | Kazuya Niwa, Lei Zhang, Yuji Murakami, Hisato Shibata, Takayuki Fukushima +1 more | 2018-11-13 |
| 10008220 | Magnetic recording medium and magnetic memory device including magnetic layers having granular structure of magnetic grains and grain boundary portion | Takayuki Fukushima, Yuji Murakami, Lei Zhang, Kazuya Niwa, Hisato Shibata | 2018-06-26 |
| 9934810 | Magnetic recording medium and magnetic storage apparatus | Lei Zhang, Yuji Murakami, Kazuya Niwa | 2018-04-03 |
| 9818441 | Thermally assisted magnetic recording medium and magnetic storage device | Atsushi Hashimoto, Takayuki Fukushima | 2017-11-14 |
| 9384772 | Magnetic recording medium having L10 magnetic layer and plurality of underlayers, and magnetic storage apparatus | Lei Zhang, Yuji Murakami, Kazuya Niwa | 2016-07-05 |
| 9361924 | Magnetic recording medium and magnetic recording and reproducing apparatus | Kazuya Niwa, Yuji Murakami, Lei Zhang | 2016-06-07 |
| 9251834 | Magnetic recording medium and magnetic storage apparatus | Lei Zhang, Yuji Murakami, Kazuya Niwa | 2016-02-02 |
| 9245567 | Magnetic recording medium and magnetic storage apparatus | Kazuya Niwa, Yuji Murakami, Lei Zhang | 2016-01-26 |
| 9230588 | Magnetic recording medium and magnetic storage apparatus | Lei Zhang, Yuji Murakami, Kazuya Niwa | 2016-01-05 |
| 9007880 | Thermally assisted magnetic recording medium and magnetic recording and reproducing apparatus | Kazuya Niwa, Yuji Murakami, Lei Zhang | 2015-04-14 |
| 8988828 | Magnetic recording medium and magnetic storage apparatus | Kazuya Niwa, Yuji Murakami, Lei Zhang | 2015-03-24 |
| 8792313 | Magnetic recording medium having multiple under layers for heat-assisted magnetic recording apparatus | Kazuya Niwa, Yuji Murakami, Lei Zhang | 2014-07-29 |
| 8705207 | Thermal-assist magnetic recording medium and magnetic recording and reproducing apparatus | Yuzo Sasaki, Atsushi Hashimoto | 2014-04-22 |
| 8582416 | Heat-assisted magnetic recording medium and magnetic recording and reading apparatus | Atsushi Hashimoto, Takayuki Fukushima | 2013-11-12 |