Howard W. Walker
20Patents
9h-index
17Co-inventors
72Inventor score
Filing activity: May 5, 1986 → Oct 16, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7383071B1 | Microsensor system and method for measuring data | Human Necessities | 89 | Expired |
| US5441591A | Silicon to sapphire bond | Emerging Cross-Sectional Technologies | 81 | Expired |
| US7297113B1 | Microsensor system and method for measuring data | Physics | 36 | Active |
| US5895629A | Ring oscillator based chemical sensor | Physics | 30 | Expired |
| US8057388B1 | Microsensor array system | Human Necessities | 21 | Active |
| US5714793A | Complementary vertical bipolar junction transistors formed in silicon-on-saphire | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5991000A | Cavity uniformity having patterned spaces of aluminum oxide or silicon dioxide | Physics | 14 | Expired |
| US6387724B1 | Method of fabricating silicon-on-insulator sensor having silicon oxide sensing surface | Physics | 11 | Expired |
| US5468674A | Method for forming low and high minority carrier lifetime layers in a single semiconductor structure | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4956513A | Recovery of BF.sub.3 from olefin oligomer process | Emerging Cross-Sectional Technologies | 9 | Expired |
| US10724831B1 | Fibrous occlusive interruption of lift | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US8866001B1 | Luminescent solar concentrator | Emerging Cross-Sectional Technologies | 2 | Active |
| US4911758A | Disposal of waste aqueous boron trifluoride solutions | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4670621A | Catalytic synthesis of olefins from paraffins | Chemistry; Metallurgy | 2 | Expired |
| US5402749A | Ultra-high vacuum/chemical vapor deposition of epitaxial silicon-on-sapphire | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4751344A | Catalytic synthesis of olefins from paraffins | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10315749B1 | Material for propeller occlusion of marine vessels | Textiles; Paper | 2 | Active |
| US5641691A | Method for fabricating complementary vertical bipolar junction transistors in silicon-on-sapphire | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5521412A | Low and high minority carrier lifetime layers in a single semiconductor structure | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9178096B2 | Luminescent solar concentrator | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.