Inventor · disambiguated record
Hirohisa Oyama
Also filed as: OYAMA HIROHISA
5 granted patents·9 citations·filing 2012–2023
65Inventor score
Top patents by PatentIndex Score
5 records- 0180US9659592B2Perpendicular magnetic recording medium and method of manufacturing sameATAKA TOYOJI·Filed 2012·Granted May 23, 2017·9 cites·5 claims
- 0257US12494451B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2023·Granted Dec 9, 2025·0 cites·4 claims
- 0344US11120829B2Magnetic recording medium having tin containing seed layerFUJI ELECTRIC CO LTD·Filed 2019·Granted Sep 14, 2021·0 cites·14 claims
- 0444US10170145B2Magnetic recording medium and method for producing the sameFUJI ELECTRIC CO LTD·Filed 2017·Granted Jan 1, 2019·0 cites·22 claims
- 0526US9697858B2Perpendicular magnetic recording mediumFUJI ELECTRIC (MALAYSIA) SDN BHD·Filed 2015·Granted Jul 4, 2017·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →