Michael Eric Johnson
12Patents
5h-index
27Co-inventors
66Inventor score
Filing activity: Oct 18, 1976 → Mar 26, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4388644A | Apparatus for monitoring a multichannel receiver | Electricity | 155 | Expired |
| US4216497A | Apparatus for monitoring a multichannel receiver | Electricity | 120 | Expired |
| US8622924B2 | Needle tip for biopsy device | Human Necessities | 49 | Active |
| US8088081B2 | Core biopsy device | Human Necessities | 29 | Active |
| US8568334B2 | Core biopsy device | Human Necessities | 13 | Active |
| US10195699B2 | Sucker rod | Emerging Cross-Sectional Technologies | 4 | Active |
| US9278412B2 | Sucker rod | Emerging Cross-Sectional Technologies | 3 | Active |
| US10508522B2 | Automatic sucker rod spacing device and methods of using same | Fixed Constructions | 2 | Active |
| US11168549B2 | Automated sucker rod spacing device and associated methods | Fixed Constructions | 1 | Active |
| US10874841B2 | Biopsy site marker applier | Human Necessities | 1 | Active |
| US11199053B2 | Sucker rod with adhesive-attached end piece | Fixed Constructions | 1 | Active |
| US12421807B2 | Connection assembly and method to assemble sucker rod | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.