HK

Hiroshi KOYANAGI

SK Showa Denko K.K.: 5 patents #278 of 1,736Top 20%
RE Resonac: 2 patents #101 of 474Top 25%
Overall (All Time): #698,047 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12087341 Magnetic recording medium and magnetic read/write apparatus Chen Xu, Lei Zhang, Takayuki Fukushima, Hisato Shibata, Takehiro Yamaguchi +4 more 2024-09-10
11676632 Magnetic recording medium, method of manufacturing magnetic recording medium and magnetic storage device Takayuki Fukushima, Lei Zhang, Chen Xu, Hisato Shibata, Takehiro Yamaguchi +1 more 2023-06-13
11189313 Magnetic recording medium utilizing adjacent underlayer and magnetic layer having particular compositions, magnetic storage apparatus, and method of manufacturing magnetic recording medium Koichi Nagasaka, Takayuki Fukushima, Lei Zhang, Chen Xu, Hisato Shibata +2 more 2021-11-30
11043238 Magnetic recording medium and magnetic storage device Takehiro Yamaguchi, Takayuki Fukushima, Lei Zhang, Hisato Shibata, Chen Xu +1 more 2021-06-22
11024334 High density magnetic recording medium for heat-assisted magnetic storage apparatus Takayuki Fukushima, Chen Xu, Lei Zhang, Hisato Shibata, Takehiro Yamaguchi +4 more 2021-06-01
10685674 Assisted magnetic recording medium and magnetic storage apparatus Takayuki Fukushima, Hisato Shibata, Yuji Umemoto, Kazuya Niwa, Lei Zhang +3 more 2020-06-16
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