John Charles Duda
33Patents
9h-index
42Co-inventors
67Inventor score
Filing activity: Mar 12, 2014 → Dec 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9728209B2 | Thermally robust near-field transducer peg | Physics | 17 | Active |
| US9536555B1 | Dual purpose bolometric sensor for heat-assisted magnetic recording device | Physics | 15 | Active |
| US9251830B1 | Waveguide cladding layer with transparent heat sink for heat-assisted magnetic recording device | Physics | 12 | Active |
| US9747937B1 | Multi-purpose resistive sensor for a heat-assisted magnetic recording device | Physics | 12 | Active |
| US8873352B1 | Light mitigation layer between write pole and waveguide | Physics | 11 | Active |
| US9875767B2 | Bolometer for internal laser power monitoring in heat-assisted magnetic recording device | Physics | 10 | Active |
| US9064515B2 | Near field transducer and heat sink design for heat assisted magnetic recording | Emerging Cross-Sectional Technologies | 10 | Active |
| US9799361B1 | Dual purpose bolometric sensor for heat-assisted magnetic recording device | Physics | 10 | Active |
| US9865283B2 | Devices including a near field transducer (NFT) including peg and disc from different materials | Physics | 9 | Active |
| US9911441B1 | Magnetic recording apparatus having thermal sensor and a solid-immersion mirror | Physics | 8 | Active |
| US9691424B2 | Bolometer for internal laser power monitoring in heat-assisted magnetic recording device | Physics | 7 | Active |
| US9959893B1 | Multi-purpose resistive sensor for a heat-assisted magnetic recording device | Physics | 6 | Active |
| US10127940B1 | Bolometer with temperature compensation for internal laser power monitoring in heat-assisted magnetic recording device | Physics | 5 | Active |
| US9685202B1 | Near-field transducer having enlarged portion matching outline shape of heat sink | Physics | 5 | Active |
| US10699732B2 | Devices including a diffusion barrier layer | Physics | 5 | Active |
| US9792931B2 | Devices including a difussion barrier layer | Physics | 4 | Active |
| US10580440B2 | Devices including a diffusion barrier layer | Physics | 3 | Active |
| US10002631B1 | Head-medium contact detection using a thermal sensor heated by multiple heat generating components of a slider | Physics | 3 | Active |
| US9721593B2 | Near field transducer (NFT) including peg and disc of different materials | Physics | 2 | Active |
| US10431244B2 | Devices including a near field transducer (NFT) including peg and disc from different materials | Physics | 2 | Active |
| US10410669B1 | Bolometer with temperature compensation for internal laser power monitoring in heat-assisted magnetic recording device | Physics | 2 | Active |
| US10240975B2 | Laser power monitoring in a heat-assisted magnetic recording device using a resistive sensor and high-frequency laser modulation | Physics | 1 | Active |
| US10037771B2 | Near field transducer (NFT) including peg and disc of different materials | Physics | 1 | Active |
| US10408674B2 | Laser power monitoring in a heat-assisted magnetic recording device using a resistive sensor and high-frequency laser modulation | Physics | 1 | Active |
| US11823708B1 | HAMR recording head with external cavity laser using a near-field transducer as a reflector | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.