Inventor · disambiguated record
Kenji Ayama
Also filed as: AYAMA KENJI
11 granted patents·4 pending applications·733 citations·filing 2001–2011
94Inventor score
Top patents by PatentIndex Score
15 records- 0197US8623528B2Method of manufacturing perpendicular magnetic recording medium and perpendicular magnetic recording mediumUMEZAWA TEIICHIRO·Filed 2009·Granted Jan 7, 2014·73 cites·2 claims
- 0297US8383209B2Magnetic recording medium manufacturing method and laminate manufacturing methodWD MEDIA SINGAPORE PTE LTD·Filed 2007·Granted Feb 26, 2013·70 cites·5 claims
- 0397US8309239B2Perpendicular magnetic recording medium and method of manufacturing the sameUMEZAWA TEIICHIRO·Filed 2008·Granted Nov 13, 2012·69 cites·7 claims
- 0497US8142916B2Magnetic recording mediumUMEZAWA TEIICHIRO·Filed 2008·Granted Mar 27, 2012·72 cites·11 claims
- 0597US8092931B2Magnetic disk, method of manufacturing the magnetic disk and method of evaluating the magnetic diskISHIYAMA MASAFUMI·Filed 2008·Granted Jan 10, 2012·70 cites·6 claims
- 0696US8795857B2Perpendicular magnetic recording medium and manufacturing method of the sameAYAMA KENJI·Filed 2008·Granted Aug 5, 2014·51 cites·5 claims
- 0796US8057926B2Perpendicular magnetic recording mediumAYAMA KENJI·Filed 2008·Granted Nov 15, 2011·70 cites·5 claims
- 0896US7537846B2Magnetic disk, method of manufacturing the magnetic disk and method of evaluating the magnetic diskHOYA CORP·Filed 2004·Granted May 26, 2009·74 cites·1 claims
- 0996US6759138B2Antiferromagnetically coupled magnetic recording medium with dual-layered upper magnetic layerHOYA CORP·Filed 2002·Granted Jul 6, 2004·94 cites·12 claims
- 1090US6670055B2Magnetic recording medium and manufacturing method thereforHOYA CORP·Filed 2001·Granted Dec 30, 2003·87 cites·9 claims
- 1176US9159351B2Perpendicular magnetic recording medium and method of manufacturing the sameSAKAMOTO KAZUAKI·Filed 2008·Granted Oct 13, 2015·3 cites·11 claims
- 1250US2011244119A1Perpendicular magnetic recording medium and method of manufacturing the sameWD MEDIA SINGAPORE PTE LTD·Filed 2011·Application pending·0 cites
- 1341US2004157006A1Method of producing a magnetic diskHOYA CORP·Filed 2004·Application pending·0 cites
- 1440US2003203244A1Magnetic recording medium and method of producing the sameHOYA CORP·Filed 2003·Application pending·0 cites
- 1536US2010215992A1Single-sided perpendicular magnetic recording mediumHOYA CORP·Filed 2010·Application pending·0 cites
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