Walter E. Johnson
12Patents
6h-index
11Co-inventors
63Inventor score
Filing activity: May 10, 1974 → Dec 30, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6230046A | System and method for enhanced visualization of subcutaneous structures | Human Necessities | 205 | Expired |
| US5828489A | Narrow wavelength polarizing beamsplitter | Physics | 42 | Expired |
| US4219361A | Method of improving the susceptibility of a material to microwave energy heating | Electricity | 35 | Expired |
| US4140887A | Method for microwave heating | Chemistry; Metallurgy | 18 | Expired |
| US7355066B1 | Process for making terpene esters | Chemistry; Metallurgy | 13 | Active |
| US5258872A | Optical filter | Physics | 12 | Expired |
| US3932906A | Collapsible boat | Performing Operations; Transporting | 6 | Expired |
| US4097531A | Substituted cyclopropane process and product | Chemistry; Metallurgy | 6 | Expired |
| US4212665A | Decarburization of metallic alloys | Chemistry; Metallurgy | 3 | Expired |
| US4298762A | Process for the oxidation of primary allylic and benzylic alcohols | Chemistry; Metallurgy | 1 | Expired |
| US4551570A | Process for the isomerization of limonene to terpinolene | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7868200B2 | Process for preparing alicyclic carboxylic acid compounds | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.