HK

Hiroshi KOYANAGI

SK Showa Denko K.K.: 3 patents #10 of 159Top 7%
Overall (2021): #81,254 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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