John Johnson
8Patents
6h-index
14Co-inventors
60Inventor score
Filing activity: Sep 27, 1984 → Jan 4, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4803978A | Apparatus for actuating an inhaler | Human Necessities | 52 | Expired |
| US5133343A | Apparatus for supporting an inhaler | Human Necessities | 43 | Expired |
| US7529379B2 | System and method for determining an in-ear acoustic response for confirming the identity of a user | Physics | 34 | Active |
| US5430439A | Selective call receiver having user defined message information in memory and presentation methods thereof | Physics | 28 | Expired |
| US5648052A | Liquid monopropellant gas generator | Chemistry; Metallurgy | 16 | Expired |
| US4562854A | Piston actuated chemical injection valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5650585A | Ignitor for use in a liquid monopropellant gas generator | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| USD312169S | Head pointer for the disabled | General | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.