Inventor · disambiguated record
Katsunori Maeshima
Also filed as: MAESHIMA KATSUNORI
17 granted patents·6 pending applications·25 citations·filing 2003–2021
89Inventor score
Top patents by PatentIndex Score
23 records- 0194US10748570B2Magnetic recording mediumSONY CORP·Filed 2019·Granted Aug 18, 2020·13 cites·28 claims
- 0284US10204651B2Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particlesSONY CORP·Filed 2015·Granted Feb 12, 2019·6 cites·9 claims
- 0364US11551711B2Cobalt ferrite magnetic powder, method of producing the same, and magnetic recording mediumSONY GROUP CORP·Filed 2020·Granted Jan 10, 2023·0 cites·19 claims
- 0464US11145328B2Magnetic recording mediumSONY CORP·Filed 2020·Granted Oct 12, 2021·0 cites·19 claims
- 0563US7295402B2Magnetic tape cartridge and recorder/reproducer a magnetic tape cartridgeSONY CORP·Filed 2003·Granted Nov 13, 2007·5 cites·12 claims
- 0659US10872633B2Magnetic recording medium, laminate, and flexible deviceSONY CORP·Filed 2017·Granted Dec 22, 2020·1 cites·20 claims
- 0758US9805754B2Ferrimagnetic particle powder and manufacturing method therefor, and magnetic recording medium and manufacturing method thereforSONY CORP·Filed 2014·Granted Oct 31, 2017·0 cites·11 claims
- 0857US11270729B2Magnetic recording mediumSONY CORP·Filed 2019·Granted Mar 8, 2022·0 cites·21 claims
- 0956US11205455B2Magnetic recording mediumSONY CORP·Filed 2018·Granted Dec 21, 2021·0 cites·24 claims
- 1054US11521649B2Method of producing a magnetic powder and method of producing a magnetic recording mediumSONY CORP·Filed 2017·Granted Dec 6, 2022·0 cites·8 claims
- 1153US10839848B2Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particlesSONY CORP·Filed 2018·Granted Nov 17, 2020·0 cites·17 claims
- 1252US11170813B2Magnetic powder, method of producing the same, and magnetic recording mediumSONY CORP·Filed 2017·Granted Nov 9, 2021·0 cites·11 claims
- 1351US2023075546A1Magnetic recording mediumSONY GROUP CORP·Filed 2021·Application pending·0 cites
- 1450US10783914B2Ferrimagnetic particle powder and method of manufacturing ferrimagnetic particle powder, as well as magnetic recording medium and method of manufacturing magnetic recording mediumSONY CORP·Filed 2017·Granted Sep 22, 2020·0 cites·7 claims
- 1546US2006228591A1Magnetic recording mediumTERAKAWA MASARU·Filed 2006·Application pending·0 cites
- 1645US2006172156A1Magnetic recording medium and process for producing sameMAESHIMA KATSUNORI·Filed 2006·Application pending·0 cites
- 1743US11355145B2Magnetic recording mediumSONY CORP·Filed 2016·Granted Jun 7, 2022·0 cites·8 claims
- 1842US12087340B2Magnetic recording mediumSONY GROUP CORP·Filed 2020·Granted Sep 10, 2024·0 cites·8 claims
- 1942US11830533B2Method of producing magnetic powder and method of producing magnetic recording mediumSONY CORP·Filed 2019·Granted Nov 28, 2023·0 cites·16 claims
- 2042US6991861B2Magnetic recording mediumSONY CORP·Filed 2004·Granted Jan 31, 2006·0 cites·4 claims
- 2135US2020321025A1Magnetic recording medium, laminate, and flexible deviceSONY CORP·Filed 2017·Application pending·0 cites
- 2234US2010323222A1Magnetic recording medium and method for manufacturing the sameSONY CORP·Filed 2010·Application pending·0 cites
- 2333US2022139423A1Magnetic recording mediumSONY GROUP CORP·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →