Robert P. Johnson
8Patents
2h-index
7Co-inventors
44Inventor score
Filing activity: Feb 4, 1974 → Aug 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USRE29829E | Insect repellent compositions and process having an N-substituted hydroxyalkyl amine as an active ingredient | General | 3 | Expired |
| US3975541A | Insect repellent compositions having an N-substituted hydroxyalkyl amine as an active ingredient | Chemistry; Metallurgy | 2 | Expired |
| US4908474A | Preparation of esters | Chemistry; Metallurgy | 2 | Expired |
| US3941827A | Preparation of halogenated nitriles | Chemistry; Metallurgy | 2 | Expired |
| US11450847B2 | Alkaline electrochemical cells comprising increased zinc oxide levels | Emerging Cross-Sectional Technologies | 1 | Active |
| US3974292A | Cyanoalkyl sulfonates for the control of fungus growth | Chemistry; Metallurgy | 0 | Expired |
| US3933915A | Insect repellent compositions and process having an N-substituted hydroxyalkyl amine as an active ingredient | Chemistry; Metallurgy | 0 | Expired |
| US12126014B2 | Alkaline electrochemical cells comprising increased zinc oxide levels | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.