David Cohen
23Patents
8h-index
24Co-inventors
75Inventor score
Filing activity: Dec 26, 1972 → Oct 19, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4663158A | Hair conditioning composition containing cationic polymer and amphoteric surfactant and method for use | Human Necessities | 139 | Expired |
| US6890561B1 | Microencapsulated and controlled-release formulations of isoflavone from enriched fractions of soy and other plants | Human Necessities | 52 | Expired |
| US5393305A | Two-part aqueous composition for coloring hair, which forms a gel on mixing of the two parts | Human Necessities | 49 | Expired |
| US4770873A | Neutralizing composition and method for hair waving and straightening | Human Necessities | 46 | Expired |
| US5161553A | Process for simultaneously waving and coloring hair | Human Necessities | 22 | Expired |
| US4416297A | Hair waving or straightening process and product | Human Necessities | 22 | Expired |
| US4092102A | Dyeing keratin fibers with 2-substituted m-toluenediamines | Chemistry; Metallurgy | 11 | Expired |
| US7019847B1 | Ring-interferometric sol-gel bio-sensor | Physics | 8 | Expired |
| US7927580B2 | Tat-based immunomodulatory compositions and methods of their discovery and use | Physics | 7 | Active |
| US4196145A | Dyeing keratin fibers with 2-substituted m-toluenediamines | Chemistry; Metallurgy | 6 | Expired |
| US3950127A | Hair dye compositions containing nitrodiphenylamine dyes and method for dyeing hair therewith | Chemistry; Metallurgy | 6 | Expired |
| US6667151B1 | Vaccines and immunotherapeutics derived from the human immunodeficiency virus (HIV) trans-activator of transcription protein for the treatment and prevention of HIV disease | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6340478B1 | Microencapsulated and controlled-release herbal formulations | Human Necessities | 4 | Expired |
| US8530431B2 | Treatment of cancers with immunostimulatory HIV TAT derivative polypeptides | Chemistry; Metallurgy | 4 | Active |
| US11100289B1 | Systems and methods for enhancing natural language processing | Physics | 4 | Active |
| US4021486A | Hydroxyalkyl-amino nitrodiphenylamine compounds useful as hair dyes | Human Necessities | 3 | Expired |
| US6270803A | Controlled-release garlic formulations | Human Necessities | 2 | Expired |
| US11299516B2 | DAGRS: directed antigonists to cancer cell growth signals | Physics | 0 | Active |
| US10860171B2 | Dynamic association and documentation | Physics | 0 | Active |
| US12164874B2 | Systems and methods for enhancing natural language processing | Physics | 0 | Active |
| US11842161B1 | Systems and methods for enhancing natural language processing | Physics | 0 | Active |
| US8323928B2 | Vaccines and immunotherapeutics derived from the human immunodeficiency virus (HIV) transactivator of transcription protein for the treatment and prevention of HIV disease | Human Necessities | 0 | Expired |
| US9206239B2 | Treatment of cancers with immunostimulatory HIV Tat derivative polypeptides | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.