Inventor · Seneca, PA, US

Walter R. Eppler

25Patents
8h-index
29Co-inventors
75Inventor score

Filing activity: Jul 8, 1997 → Apr 29, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7982994B1 Multi-level recording on shingled coherent magnetic media Physics 54 Active
US7215629B2 Magnetic recording device for heat assisted magnetic recording Physics 16 Expired
US9620163B1 Measuring transition shifts due to laser power variation in a heat-assisted magnetic recording device Physics 13 Active
US6030556A Optical disc stampers and methods/systems for manufacturing the same Emerging Cross-Sectional Technologies 12 Expired
US8077417B2 Skip block writing for bit patterned media write synchronization Physics 10 Active
US7885025B2 Generating PES using readback signal distortion Physics 10 Active
US11056134B1 Capacitively operated microwave assisted magnetic recording oscillator Physics 9 Active
US9818447B1 Measuring transition shifts due to laser power variation in a heat-assisted magnetic recording device Physics 8 Active
US11066661B2 Methods of gene assembly and their use in DNA data storage Physics 6 Active
US10339963B1 Determining thermal gradient of a HAMR hotspot using pseudo-random bit sequences recorded at a stepped laser power Physics 5 Active
US7440384B2 Magnetic recording device for heat assisted magnetic recording Physics 4 Active
US10332557B1 Multitrack servo marks with perpendicular and longitudinal magnetic fields Physics 4 Active
US10332547B1 Data stored using perpendicular and longitudinal magnetic fields over more than two adjacent tracks Physics 3 Active
US11643647B2 Methods of gene assembly and their use in DNA data storage Physics 3 Active
US10311897B1 Multitrack data stored using perpendicular and longitudinal magnetic fields Physics 2 Active
US10490219B1 Using signals from perpendicular and longitudinal multitrack magnetic fields for error recovery and/or servo control Physics 1 Active
US11223447B1 Multiple detector data channel and data detection utilizing different cost functions Electricity 1 Active
US11005825B2 Sensor nodes and host forming a tiered ecosystem that uses public and private data for duplication Electricity 0 Active
US11881239B1 Determining fly height using readback signal distortion Physics 0 Active
US11939570B2 Microfluidic lab-on-a-chip for gene synthesis Physics 0 Active
US11908502B2 Partial pulse pairing for improved read signal quality Electricity 0 Active
US11924173B2 Sensor nodes and host forming a tiered ecosystem that uses public and private data for duplication Electricity 0 Active
US11654436B2 Microwave heating device for lab on a chip Chemistry; Metallurgy 0 Active
US10255945B1 Media storage areal density Physics 0 Active
US10410661B1 Head media spacing using multiple readers Physics 0 Active

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