Inventor · disambiguated record
Akiyasu Kumagai
Also filed as: KUMAGAI AKIYASU
4 granted patents·4 citations·filing 2012–2015
61Inventor score
Top patents by PatentIndex Score
4 records- 0172US9047905B2Recording mediumKATANO TOMONORI·Filed 2012·Granted Jun 2, 2015·1 cites·13 claims
- 0264US9478243B2Magnetic recording medium for heat-assisted recording system and method for manufacturing sameFUJI ELECTRIC CO LTD·Filed 2015·Granted Oct 25, 2016·2 cites·4 claims
- 0362US9076479B2Magnetic recording mediumFUJI ELECTRIC CO LTD·Filed 2013·Granted Jul 7, 2015·1 cites·3 claims
- 0458US9758873B2Manufacturing method for magnetic recording mediumFUJI ELECTRIC CO LTD·Filed 2014·Granted Sep 12, 2017·0 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →