Inventor · disambiguated record
Tomotaka Yokoyama
Also filed as: YOKOYAMA TOMOTAKA
9 granted patents·3 pending applications·174 citations·filing 2000–2011
87Inventor score
Top patents by PatentIndex Score
12 records- 0193US6537648B1Substrate for an information recording medium, information recording medium using the substrate and method of producing the substrateHOYA CORP·Filed 2000·Granted Mar 25, 2003·42 cites·7 claims
- 0290US6670055B2Magnetic recording medium and manufacturing method thereforHOYA CORP·Filed 2001·Granted Dec 30, 2003·87 cites·9 claims
- 0383US6852010B2Substrate for an information recording medium, information recording medium using the substrate, and method of producing the substrateHOYA CORP·Filed 2003·Granted Feb 8, 2005·16 cites·66 claims
- 0480US6706427B2Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereofHOYA CORP·Filed 2000·Granted Mar 16, 2004·17 cites·19 claims
- 0576US6790509B2Substrate for information recording medium, information recording medium, and method for controlling surface of substrate for information recording mediumHOYA CORP·Filed 2001·Granted Sep 14, 2004·11 cites·33 claims
- 0663US8567044B2Method of manufacturing a magnetic diskTAKEDA HIROSHI·Filed 2011·Granted Oct 29, 2013·1 cites·2 claims
- 0747US8033008B2Method for supporting manufacture of a magnetic diskHOYA CORP·Filed 2008·Granted Oct 11, 2011·0 cites·13 claims
- 0846US7220446B2Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereofHOYA CORP·Filed 2004·Granted May 22, 2007·0 cites·9 claims
- 0942US2001053444A1Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereofHOYA CORP·Filed 2001·Application pending·0 cites
- 1040US2003203244A1Magnetic recording medium and method of producing the sameHOYA CORP·Filed 2003·Application pending·0 cites
- 1139US2003096140A1Magnetic recording mediumHOYA CORP·Filed 2002·Application pending·0 cites
- 1235US8640497B2Method of manufacturing glass substrate for magnetic disk and system for manufacturing glass substrate for magnetic diskKASHIMA RYUUICHI·Filed 2008·Granted Feb 4, 2014·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →