Daniel D. Johnson
20Patents
9h-index
16Co-inventors
72Inventor score
Filing activity: Mar 27, 1981 → Mar 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5761053A | Faraday cage | Electricity | 89 | Expired |
| US5431571A | Electrical conductive polymer matrix | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4680220A | Dielectric materials | Emerging Cross-Sectional Technologies | 76 | Expired |
| US4747897A | Dielectric materials | Electricity | 34 | Expired |
| US4378264A | Integrated laminating process | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4517050A | Process for forming conductive through-holes through a dielectric layer | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4472238A | Process using plasma for forming conductive through-holes through a dielectric layer | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD429624S | Concrete curb form device | General | 14 | Expired |
| US5910354A | Metallurgical interconnect composite | Emerging Cross-Sectional Technologies | 10 | Expired |
| US10736752B1 | Multi-material multi-component spinal implant | Human Necessities | 7 | Active |
| US10751196B1 | Multi-material multi-component spinal implant | Human Necessities | 5 | Active |
| US4501638A | Liquid chemical process for forming conductive through-holes through a dielectric layer | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8845566B2 | Active exoskeletal spinal orthosis and method of orthotic treatment | Performing Operations; Transporting | 4 | Active |
| US4769269A | Article containing conductive through-holes | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4744499A | System for automated manufacture of pressure vessels | Performing Operations; Transporting | 2 | Expired |
| US11766339B1 | Multi-material multi-component spinal implant | Human Necessities | 1 | Active |
| US11819418B1 | Multi-material multi-component spinal implant | Human Necessities | 0 | Active |
| US10918497B1 | Multi-material multi-component spinal implant | Human Necessities | 0 | Active |
| US12319542B2 | Dynamic tractive drive for vertical transportation system | Performing Operations; Transporting | 0 | Active |
| US10895250B1 | Solar powered emergency water pump system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.