Inventor · Fremont, CA, US

Dujiang Wan

27Patents
13h-index
50Co-inventors
80Inventor score

Filing activity: Dec 12, 2008 → Dec 30, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US8404128B1 Method and system for providing a perpendicular magnetic recording head Emerging Cross-Sectional Technologies 160 Active
US8413317B1 Method for fabricating a structure for a microelectric device Emerging Cross-Sectional Technologies 154 Active
US8506828B1 Method and system for providing a magnetic recording transducer using an ion beam scan polishing planarization Emerging Cross-Sectional Technologies 153 Active
US7910267B1 Method and system for providing optical proximity correction for structures such as a PMR nose Physics 153 Active
US8375564B1 Method for fabricating a pole of a magnetic transducer Emerging Cross-Sectional Technologies 153 Active
US8607439B1 Method for providing an energy assisted magnetic recording (EAMR) head Emerging Cross-Sectional Technologies 153 Active
US8394280B1 Resist pattern protection technique for double patterning application Electricity 152 Active
US8191237B1 Method for providing a structure in a magnetic transducer Emerging Cross-Sectional Technologies 151 Active
US8322022B1 Method for providing an energy assisted magnetic recording head in a wafer packaging configuration Emerging Cross-Sectional Technologies 150 Active
US8491802B1 Method of forming a dielectric slope for EAMR and magnetic writer Physics 150 Active
US8625233B1 System and method for fabricating a magnetic recording pole Physics 149 Active
US8792312B1 Method and system for providing an energy assisted magnetic recording head Emerging Cross-Sectional Technologies 136 Active
US9278696B2 Vehicle onboard safety system Performing Operations; Transporting 34 Active
US9153114B2 Fall detection method and system Physics 9 Active
US9299925B2 Multi-purpose sensor Physics 8 Active
US9202493B1 Method of making an ultra-sharp tip mode converter for a HAMR head Physics 3 Active
US9432800B1 Wireless near field communication system Electricity 2 Active
US9412252B2 Universal fall detection system Electricity 2 Active
US8846534B1 Process for CMP with large feature size variation Physics 1 Active
US9183854B2 Method to make interferometric taper waveguide for HAMR light delivery Physics 1 Active
US8993217B1 Double exposure technique for high resolution disk imaging Physics 1 Active
US8830628B1 Method and system for providing a perpendicular magnetic recording head Emerging Cross-Sectional Technologies 1 Active
US9530443B1 Method for fabricating a magnetic recording device having a high aspect ratio structure Physics 0 Active
US9007719B1 Systems and methods for using double mask techniques to achieve very small features Physics 0 Active
US11385305B2 Magnetic sensor array with dual TMR film Electricity 0 Active

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