John Hoffman
15Patents
7h-index
16Co-inventors
63Inventor score
Filing activity: Feb 26, 1980 → Jan 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4279255A | Localized body heat applicator device | Electricity | 106 | Expired |
| US5718232A | Calibration of segmental blood volume changes in arteries and veins for pulse volume recorder | Human Necessities | 14 | Expired |
| USD632057S1 | Upper body garment | General | 13 | Expired |
| US5566677A | Calibration of segmental blood changes in arteries and veins during detection of atherosclerosis | Human Necessities | 8 | Expired |
| US5630424A | Calibration of segmental blood volume charges in arteries and veins for pulse volume recorder | Human Necessities | 8 | Expired |
| US5715828A | Calibration of segmental blood volume changes in arteries and veins during detection of atherosclerosis | Human Necessities | 8 | Expired |
| US5492202A | Vibration damping brake piston for a motor vehicle | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8379850B1 | Method and integrated circuit for secure encryption and decryption | Electricity | 7 | Active |
| US10452872B2 | Detection system for detecting changes to circuitry and method of using the same | Physics | 1 | Active |
| US10445531B2 | Authentication system and method | Electricity | 1 | Active |
| US11347861B2 | Controlling security state of commercial off the shelf (COTS) system | Physics | 1 | Active |
| US10938841B2 | Multi-GHz guard sensor for detecting physical or electromagnetic intrusions of a guarded region | Physics | 0 | Active |
| US7526917B1 | Gas diffusion vacuum device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9940483B2 | Firmware security interface for field programmable gate arrays | Physics | 0 | Active |
| US10878101B2 | Trusted booting by hardware root of trust (HRoT) device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.