Inventor · Milpitas, CA, US

Yunfei Ding

40Patents
8h-index
55Co-inventors
74Inventor score

Filing activity: Nov 23, 2005 → Jan 9, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7187577B1 Method and system for providing current balanced writing for memory cells and magnetic devices Physics 290 Expired
US7502249B1 Method and system for using a pulsed field to assist spin transfer induced switching of magnetic memory elements Emerging Cross-Sectional Technologies 224 Active
US8760823B1 Method and system for providing a read transducer having soft and hard magnetic bias structures Physics 133 Active
US7532505B1 Method and system for using a pulsed field to assist spin transfer induced switching of magnetic memory elements Physics 18 Active
US9087527B1 Apparatus and method for middle shield connection in magnetic recording transducers Physics 17 Active
US10388305B1 Apparatus and method for writing to magnetic media using an AC bias current to enhance the write field Physics 15 Active
US10424323B1 High-bandwidth STO bias architecture with integrated slider voltage potential control Physics 9 Active
US11508401B1 Magnetic recording devices having cross-track current flow to facilitate downtrack magnetic field enhancements Physics 8 Active
US7957179B2 Magnetic shielding in magnetic multilayer structures Emerging Cross-Sectional Technologies 7 Active
US9236560B1 Spin transfer torque tunneling magnetoresistive device having a laminated free layer with perpendicular magnetic anisotropy Electricity 5 Active
US11881237B1 Cross track current design for energy assisted magnetic recording Physics 5 Active
US11900971B1 Magnetic recording head with assisting electric current in trailing shield Physics 5 Active
US10643642B2 Apparatus and method for writing to magnetic media using an AC bias current to enhance the write field Physics 4 Active
US11869548B1 Magnetic recording devices having external alternating current sources Physics 4 Active
US10891973B2 High-bandwidth STO bias architecture with integrated slider voltage potential control Physics 3 Active
US11894026B1 Magnetic recording head having leads over the trailing shield for assisting electric currents Physics 3 Active
US10629229B2 High-bandwidth STO bias architecture with integrated slider voltage potential control Physics 3 Active
US9705072B2 Spin transfer torque tunneling magnetoresistive device having a laminated free layer with perpendicular magnetic anisotropy Electricity 2 Active
US11087784B2 Data storage devices with integrated slider voltage potential control Physics 2 Active
US8378438B2 Method and system for providing magnetic elements having enhanced magnetic anisotropy and memories using such magnetic elements Physics 2 Active
US9047902B1 Touchdown sensor having a more stable crystal structure for use in hard disk drives Physics 1 Active
US10741202B2 MAMR writer with low resistance MAMR stack Physics 1 Active
US10957346B2 Magnetic recording devices and methods using a write-field-enhancement structure and bias current with offset pulses Physics 1 Active
US8213221B2 Magnetic shielding in magnetic multilayer structures Emerging Cross-Sectional Technologies 1 Active
US12057146B1 Magnetic recording head with an SOT device coupled with side shield Physics 1 Active

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