Keith Johnson
32Patents
11h-index
54Co-inventors
78Inventor score
Filing activity: Feb 1, 1991 → Aug 9, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5376359A | Method of stabilizing aerosol formulations | Chemistry; Metallurgy | 187 | Expired |
| US5654007A | Methods and system for processing dispersible fine powders | Emerging Cross-Sectional Technologies | 162 | Expired |
| US5126123A | Aerosol drug formulations | Human Necessities | 141 | Expired |
| US7451761B2 | Dry powder inhalers, related blister package indexing and opening mechanisms, and associated methods of dispensing dry powder substances | Human Necessities | 77 | Active |
| US7377277B2 | Blister packages with frames and associated methods of fabricating dry powder drug containment systems | Human Necessities | 62 | Active |
| US5849265A | Pharmaceutical aerosol formulation comprising a medicament, a propellant and a fluorinated surfactant | Chemistry; Metallurgy | 48 | Expired |
| US6103270A | Methods and system for processing dispersible fine powders | Human Necessities | 46 | Expired |
| US5922354A | Methods and system for processing dispersible fine powders | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7655221B2 | Methods of treating disease with random copolymers | Human Necessities | 29 | Expired |
| US7300669B2 | Fluticasone lotion having improved vasoconstrictor activity | Human Necessities | 13 | Expired |
| US8962028B2 | Topical steroid composition and method | Human Necessities | 13 | Active |
| US7405207B2 | Nebulizer formulations of dehydroepiandrosterone and methods of treating asthma or chronic obstructive pulmonary disease using compositions thereof | Human Necessities | 10 | Expired |
| US8765787B2 | Methods of treatment of xerophthalmia with self-preserving ocular formulations of norketotifen | Human Necessities | 7 | Active |
| US9050368B2 | Corticosteroid compositions | Human Necessities | 5 | Active |
| US7931022B2 | Method and apparatus for dispensing inhalator medicament | Human Necessities | 4 | Active |
| US8969385B2 | Ocular formulations of norketotifen | Human Necessities | 3 | Active |
| US9757434B2 | FXa variant compositions | Chemistry; Metallurgy | 2 | Active |
| US8741930B2 | Treating xerophthalmia with norketotifen | Human Necessities | 1 | Active |
| US9255066B2 | Pharmaceutical formulation for histone deacetylase inhibitors | Chemistry; Metallurgy | 0 | Active |
| US11331278B2 | Delivery of drug nanoparticles and methods of use thereof | Human Necessities | 0 | Active |
| US7897587B2 | Topical dermatological formulations and use thereof | Human Necessities | 0 | Expired |
| US10449162B2 | Delivery of drug nanoparticles and methods of use thereof | Human Necessities | 0 | Active |
| US10918606B2 | Delivery of drug nanoparticles and methods of use thereof | Human Necessities | 0 | Active |
| US8404751B2 | Subunguicide, and method for treating onychomycosis | Human Necessities | 0 | Active |
| US8475779B2 | Methods of treating disease with random copolymers | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.