Martin Robert Johnson
12Patents
3h-index
22Co-inventors
60Inventor score
Filing activity: Dec 5, 1974 → Mar 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8592703B2 | Tamper-resistant, energy-harvesting switch assemblies | Electricity | 86 | Active |
| US3985004A | Knitted briefs | Textiles; Paper | 36 | Expired |
| US4048819A | Knitted garments | Textiles; Paper | 12 | Expired |
| US11305179B1 | Systems and methods for in-person live action gaming | Physics | 3 | Active |
| US10821261B2 | Apparatus for administering bilateral tactile stimulation to a human subject | Physics | 1 | Active |
| US8653939B2 | Coded wireless key card sensor unit | Electricity | 1 | Active |
| US11569641B2 | Ionizer bar | Electricity | 0 | Active |
| US12090280B2 | Apparatus for administering bilateral tactile stimulation to a human subject | Physics | 0 | Active |
| US11607521B2 | Apparatus for administering bilateral tactile stimulation to a human subject | Physics | 0 | Active |
| US11938408B1 | Systems and methods for in-person live action gaming | Physics | 0 | Active |
| US10794863B1 | Ionizer monitoring system and ion sensor | Electricity | 0 | Active |
| US10859531B2 | Ionizer monitoring system and ion sensor | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.