Inventor · San Ramon, CA, US

Feng Liu

87Patents
22h-index
110Co-inventors
87Inventor score

Filing activity: Nov 20, 2008 → Dec 4, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8582241B1 Method and system for providing a magnetic transducer having a high moment bilayer magnetic seed layer for a trailing shield Physics 197 Active
US8582238B1 Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shields Physics 170 Active
US8405930B1 Method and system for providing a transducer having dual, ABS recessed auxiliary poles on opposite sides of a main pole with non-magnetic spacer adjoining back portion of main pole and positioned between auxiliary poles Emerging Cross-Sectional Technologies 170 Active
US8400731B1 Write head with variable side shield gaps Emerging Cross-Sectional Technologies 168 Active
US8724259B1 Conformal high moment side shield seed layer for perpendicular magnetic recording writer Physics 162 Active
US8194366B1 TMR read head structures with differential stripe heights Electricity 157 Active
US8451563B1 Method for providing a side shield for a magnetic recording transducer using an air bridge Emerging Cross-Sectional Technologies 157 Active
US8520336B1 Magnetic recording head with nano scale pole tip bulge Physics 155 Active
US8227023B1 Method and system for fabricating magnetic transducers with improved pinning Emerging Cross-Sectional Technologies 154 Active
US8705205B1 Magnetic recording head having a dual sidewall angle Physics 151 Active
US8599520B1 Method and system for providing a read transducer having an adaptive read sensor track width Physics 151 Active
US8441756B1 Method and system for providing an antiferromagnetically coupled writer Physics 150 Active
US8520337B1 Perpendicular magnetic recording writer pole with leading and trailing bevel side wall angles at air bearing surface Physics 150 Active
US8628672B1 Process for manufacturing a perpendicular magnetic recording writer pole with nonmagnetic bevel Physics 150 Active
US8203800B2 Servo design in data storage media Physics 149 Active
US8077435B1 Current perpendicular-to-plane read sensor with back shield Physics 149 Active
US8116043B2 Method and system for providing a magnetic transducer having an improved read sensor synthetic antiferromagnet Emerging Cross-Sectional Technologies 149 Active
US8792208B1 Method for providing side shields having non-conformal regions for a magnetic recording transducer Physics 147 Active
US8786983B1 Magnetic writer having a low aspect ratio two layer coil Physics 144 Active
US8760819B1 Magnetic recording sensor with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shields Physics 140 Active
US8760807B1 Method for providing a wraparound shield for a magnetic recording transducer using a damascene process Emerging Cross-Sectional Technologies 130 Active
US8653824B1 Delta temperature test method and system Physics 22 Active
US9111550B1 Write transducer having a magnetic buffer layer spaced between a side shield and a write pole by non-magnetic layers Physics 22 Active
US9347213B1 Fitting for channel framing Fixed Constructions 21 Active
US9443541B1 Magnetic writer having a gradient in saturation magnetization of the shields and return pole Physics 18 Active

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