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Junichi Sayama

HB Hgst Netherlands, B.V.: 1 patents #510 of 972Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
Overall (All Time): #1,467,053 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10276192 Perpendicular magnetic recording medium Akemi Hirotsune, Ikuko Takekuma 2019-04-30
9595282 Magnetic recording medium having a L10-type ordered alloy Yoshiyuki Hirayama 2017-03-14
8679654 Magnetic recording medium including plural FePt alloy layers including carbon, oxides or nitrides Hiroaki Nemoto, Ikuko Takekuma, Kimio Nakamura 2014-03-25