Robert J. Johnson
30Patents
13h-index
27Co-inventors
81Inventor score
Filing activity: Jun 10, 1974 → Jun 2, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5570682A | Passive inspiratory nebulizer system | Human Necessities | 372 | Expired |
| US6076519A | Passive inspiratory nebulizer system | Human Necessities | 101 | Expired |
| US5799302A | Method and system for minimizing attribute naming errors in set oriented duplicate detection | Physics | 52 | Expired |
| US6722563B1 | Method for printing a label pair with information-based indicia program (IBIP) indicia | Physics | 50 | Expired |
| US5360270A | Reusable security enclosure | Emerging Cross-Sectional Technologies | 40 | Expired |
| USD315667S | Combined template and shim for adjusting the camber of a MacPherson strut for vehicles | General | 39 | Expired |
| US5102138A | Portable gaming devices | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4396015A | Medication control device for use in treating lungs | Human Necessities | 25 | Expired |
| US5182057A | Method for in situ dispensing of cementitious materials at remote locations | Fixed Constructions | 23 | Expired |
| US4128258A | Extensible utility wagon | Performing Operations; Transporting | 19 | Expired |
| US7564703B1 | Method and apparatus for synchronized parallel operation of PWM inverters with limited circulating current | Electricity | 17 | Active |
| US6195174A | Method and system for printing a mail list in presort order on multiple printers | Physics | 16 | Expired |
| US7017040B2 | BIOS update file | Physics | 14 | Expired |
| US7799003B2 | Emergency eye wash system | Human Necessities | 13 | Active |
| US5490740A | Ground stabilized transportable drop hammer | Performing Operations; Transporting | 13 | Expired |
| US4179148A | Snap hook | Emerging Cross-Sectional Technologies | 13 | Expired |
| US3943913A | Apparatus and method for determining tooth mobility | Human Necessities | 10 | Expired |
| US5384980A | Gun-aiming device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8060957B2 | Emergency eye wash system | Human Necessities | 7 | Active |
| US9074941B1 | Systems and methods for measuring ambient and laser temperature in heat assisted magnetic recording | Physics | 6 | Active |
| US9114298B2 | Punching bag and suspension system | Human Necessities | 6 | Active |
| US6823321B2 | Method and system for optimizing refill amount for automatic refill of a shared virtual postage meter | Physics | 5 | Expired |
| US8931220B2 | Insulating ICF window buck with integrated fastening and anchors | Fixed Constructions | 5 | Active |
| US7254848B2 | Emergency eye wash system | Human Necessities | 4 | Expired |
| US4034476A | Apparatus and method for determining tooth mobility | Human Necessities | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.