John E. Johnson
18Patents
7h-index
19Co-inventors
63Inventor score
Filing activity: Oct 16, 1978 → Oct 11, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6358473B1 | Microscope slide heater | Physics | 65 | Expired |
| US4566693A | Gravity traction apparatus | Human Necessities | 33 | Expired |
| US4212297A | Micro-fluid exchange coupling apparatus | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7198048B2 | System and method for management of hair and personal hygiene | Human Necessities | 17 | Expired |
| US5874087A | Modified plant viruses as vectors | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5296648A | Flat cable | Electricity | 14 | Expired |
| US6110466A | Modified plant viruses as vectors | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6789549B2 | Apparatus for management of hair | Human Necessities | 5 | Expired |
| US8646547B1 | Chisel ice drill | Emerging Cross-Sectional Technologies | 3 | Active |
| US6884623B1 | Modified plant viruses as vectors of heterologous peptides | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4468560A | Electron microscope equipped with measuring facility | Physics | 2 | Expired |
| USD404760S | Notebook binder | General | 2 | Expired |
| US9190816B2 | Cable manager | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12030612B2 | Variable position airfoil | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8163912B2 | Berberine compounds and processes for the preparation of berberine compounds | Chemistry; Metallurgy | 1 | Active |
| US7208655B1 | Modified plant viruses as vectors | Emerging Cross-Sectional Technologies | 0 | Expired |
| US8314237B2 | Preparation of 10-keto morphinans by benzylic oxidation | Chemistry; Metallurgy | 0 | Active |
| US9296699B2 | Reductive amination of 6-keto morphinans by catalytic hydrogen transfer | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.