Richard E. Howard
35Patents
18h-index
47Co-inventors
81Inventor score
Filing activity: Apr 7, 1980 → Dec 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5224179A | Image skeletonization method | Physics | 145 | Expired |
| US5067164A | Hierarchical constrained automatic learning neural network for character recognition | Physics | 134 | Expired |
| US4859375A | Chemical refill system | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5308447A | Endpoint and uniformity determinations in material layer processing through monitoring multiple surface regions across the layer | Electricity | 53 | Expired |
| US4979643A | Chemical refill system | Chemistry; Metallurgy | 42 | Expired |
| US5058179A | Hierarchical constrained automatic learning network for character recognition | Physics | 37 | Expired |
| US5265143A | X-ray optical element including a multilayer coating | Physics | 35 | Expired |
| US4515436A | Single-mode single-polarization optical fiber | Physics | 31 | Expired |
| US4760437A | Neural networks | Electricity | 30 | Expired |
| US4344816A | Selectively etched bodies | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4645523A | Fresnel lens fabrication | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5093803A | Analog decision network | Physics | 25 | Expired |
| US4284689A | Light-absorbing materials | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4370359A | Fabrication technique for junction devices | Electricity | 22 | Expired |
| US4875183A | Neural networks | Physics | 21 | Expired |
| US4550249A | Optical disc read/write apparatus | Physics | 20 | Expired |
| US4755963A | Highly parallel computation network with means for reducing the algebraic degree of the objective function | Physics | 20 | Expired |
| US4326911A | Reactive ion etching of III-V compounds including InP, GaAs-InP and GaAlAs | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4352870A | High resolution two-layer resists | Physics | 17 | Expired |
| US4428761A | Lithographic method of making optical fibers | Chemistry; Metallurgy | 17 | Expired |
| US4575187A | Optical fiber with embedded metal layer | Chemistry; Metallurgy | 16 | Expired |
| US4422159A | Optical information storage and retrieval | Physics | 16 | Expired |
| US4745449A | Integrated electronics suitable for optical communications | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4966207A | Disposable chemical container | Performing Operations; Transporting | 14 | Expired |
| US4851821A | Disposable chemical container | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.