Mark Johnson
51Patents
15h-index
82Co-inventors
87Inventor score
Filing activity: Aug 18, 1978 → Dec 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4204742A | Fiber-optic circuit element | Physics | 58 | Expired |
| US7458698B2 | Decorative light system | Electricity | 51 | Active |
| USD564037S1 | Scooter | General | 42 | Expired |
| US8079478B2 | Retail fragrance sampling display | Emerging Cross-Sectional Technologies | 41 | Active |
| US7487977B2 | Multiple configuration children's wagon | Performing Operations; Transporting | 40 | Active |
| US7726860B2 | Light apparatus | Emerging Cross-Sectional Technologies | 34 | Active |
| US4269506A | Apparatus for measuring the influence of physical parameters on the length of a path | Physics | 27 | Expired |
| US8955855B2 | Infant wagon | Performing Operations; Transporting | 25 | Active |
| US7641364B2 | Adapter for light bulbs equipped with volatile active dispenser and light emitting diodes | Emerging Cross-Sectional Technologies | 23 | Active |
| USRE37264E | Pasta filata-simulative cheese product and method of making | General | 21 | Expired |
| US5942263A | Pasta filata-simulative cheese product and method of making | Human Necessities | 21 | Expired |
| US7455308B2 | Convertible riding toy | Performing Operations; Transporting | 21 | Expired |
| US4512690A | Flying figure toy glider | Human Necessities | 20 | Expired |
| USD667574S1 | Candle jar | General | 19 | Active |
| US4342517A | Method and arrangement for the measurement of rotations by the Sagnac effect | Physics | 19 | Expired |
| US8500147B2 | Folding scooter | Performing Operations; Transporting | 15 | Active |
| US8967436B2 | Dispensing system | Emerging Cross-Sectional Technologies | 13 | Active |
| US8827282B2 | Storage bag system for wagons | Performing Operations; Transporting | 12 | Active |
| USD547390S1 | Children's ride-on toy | General | 9 | Expired |
| USD547391S1 | Children's wagon | General | 9 | Expired |
| USD1030557S1 | Motor vehicle, toy vehicle replica and/or other replica | General | 8 | Active |
| USD547393S1 | Toy car | General | 7 | Expired |
| US5554398A | Process for manufacturing reduced-fat Cheddar cheese | Human Necessities | 7 | Expired |
| USD547392S1 | Toy tote | General | 6 | Expired |
| USD564038S1 | Children's wagon seatback | General | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.