Inventor · Bloomington, MN, US

Yonghua Chen

56Patents
9h-index
108Co-inventors
77Inventor score

Filing activity: Dec 16, 2008 → May 23, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD903866S1 Microneedling pen General 41 Active
US8508880B2 Transducer head with multiple read sensors Physics 14 Active
US8724265B2 Trapezoidal back bias and trilayer reader geometry with predetermined magnetization shape Physics 14 Active
US9773517B2 Dual writer head design Physics 13 Active
US8830625B2 Data writer with tapered side shield sidewalls Physics 13 Active
US8318030B2 Magnetic device definition with uniform biasing control Physics 11 Active
US8248737B2 Magnetic sensor including an element for generating signals related to resistance changes Physics 11 Active
US8183653B2 Magnetic tunnel junction having coherent tunneling structure Electricity 11 Active
US8582251B2 Magnetic sensor with non-rectangular geometry Physics 9 Active
US8238063B2 Magnetoresistive sensor with synthetic antiferromagnetic cap or seed layers Emerging Cross-Sectional Technologies 8 Active
US8294228B2 Magnetic tunnel junction having coherent tunneling structure Electricity 6 Active
US8582250B2 Double biasing for trilayer MR sensors Physics 6 Active
US9520151B2 Multiple layer FePt structure Chemistry; Metallurgy 5 Active
US9082428B1 Write head with coil structure aligned with yoke Physics 5 Active
USD848367S1 Tattoo machine terminal General 4 Active
US8675319B2 Data reader with heusler alloy reference lamination Emerging Cross-Sectional Technologies 3 Active
US8551626B2 CCP-CPP magnetoresistive reader with high GMR value Emerging Cross-Sectional Technologies 3 Active
US8724252B2 Transducer head with multiple read sensors Physics 2 Active
US9159340B1 Coil structure for write head Physics 2 Active
US8133332B2 Method for preparing FePt media at low ordering temperature and fabrication of exchange coupled composite media and gradient anisotropy media for magnetic recording Chemistry; Metallurgy 2 Active
US9697852B2 Single coil turn data writer Physics 2 Active
US9286918B1 Write head with coil structure aligned with yoke Physics 2 Active
US9218824B2 Data writer with tapered side shield sidewalls Physics 2 Active
US11068682B2 QR code generation method and apparatus for terminal device Physics 2 Active
US8513752B2 Magnetic tunnel junction having coherent tunneling structure Electricity 2 Active

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