Inventor · Pleasanton, CA, US

Ganping Ju

57Patents
10h-index
67Co-inventors
81Inventor score

Filing activity: Apr 4, 2002 → Dec 17, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7965464B2 Heat-assisted magnetic recording with shaped magnetic and thermal fields Physics 44 Active
US8576672B1 Heat sink layer Physics 27 Active
US7678476B2 Composite heat assisted magnetic recording media with temperature tuned intergranular exchange Emerging Cross-Sectional Technologies 25 Active
US8159769B2 Heat-assisted magnetic recording with shaped magnetic and thermal fields to minimize transition curvature Physics 20 Active
US7869162B2 Thin film structure with controlled lateral thermal spreading in the thin film Physics 19 Active
US8507114B2 Recording layer for heat assisted magnetic recording Physics 17 Active
US8765273B1 Tuned heatsink layers Physics 13 Active
US6849349B2 Magnetic films having magnetic and non-magnetic regions and method of producing such films by ion irradiation Emerging Cross-Sectional Technologies 13 Expired
US6777113B2 Multilayer films for optimized soft underlayer magnetic properties of dual layer perpendicular recording media Emerging Cross-Sectional Technologies 11 Expired
US8268462B2 Hybrid grain boundary additives Electricity 10 Active
US8021771B2 Composite heat assisted magnetic recording media with temperature tuned intergranular exchange Emerging Cross-Sectional Technologies 9 Active
US8241766B2 Laminated exchange coupling adhesion (LECA) media for heat assisted magnetic recording Physics 9 Active
US9697857B1 Three dimensional data storage media Physics 8 Active
US9349402B2 Apparatus including temperature-dependent exchange spring mechanism Physics 8 Active
US7166997B2 Complex transverse AC magneto-optic susceptometer for determination of volume and anisotropy field distribution in recording media Physics 8 Expired
US7271981B2 Ultrafast pulse field source utilizing optically induced magnetic transformation Physics 8 Expired
US7595959B2 Recording heads including a magnetically damped write pole and recording systems including such heads Emerging Cross-Sectional Technologies 8 Active
US9348000B1 Magneto optic kerr effect magnetometer for ultra-high anisotropy magnetic measurements Physics 7 Active
US9984709B1 Heat assisted magnetic recording (HAMR) media with thermal exchange control layer of lower curie temperature Physics 7 Active
US9779771B1 Capping layer for magnetic recording stack Physics 7 Active
US8988976B2 Composite magnetic recording structure for heat assisted magnetic recording device Physics 6 Active
US9368142B2 Magnetic stack including TiN-X intermediate layer Physics 6 Active
US9263076B1 Heatsink for heat assisted magnetic recording media Physics 6 Active
US9520151B2 Multiple layer FePt structure Chemistry; Metallurgy 5 Active
US8149539B2 Thin film structure with controlled lateral thermal spreading in the thin film Physics 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.