Jerald A. Hallmark
28Patents
11h-index
15Co-inventors
72Inventor score
Filing activity: Jun 23, 1989 → Jun 2, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6472278B1 | Method and apparatus for creating a voltage threshold in a FET | Electricity | 121 | Expired |
| US5825317A | Digital-to-analog converter and method of calibrating | Electricity | 56 | Expired |
| US6367261B1 | Thermoelectric power generator and method of generating thermoelectric power in a steam power cycle utilizing latent steam heat | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US5606184A | Heterostructure field effect device having refractory ohmic contact directly on channel layer and method for making | Electricity | 46 | Expired |
| US6025735A | Programmable switch matrix and method of programming | Electricity | 39 | Expired |
| US5767543A | Ferroelectric semiconductor device having a layered ferroelectric structure | Electricity | 37 | Expired |
| US6248459A | Semiconductor structure having a crystalline alkaline earth metal oxide interface with silicon | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5888296A | Method for making a ferroelectric semiconductor device and a layered structure | Electricity | 32 | Expired |
| US5923184A | Ferroelectric transistor logic functions for programming | Electricity | 26 | Expired |
| US5886920A | Variable conducting element and method of programming | Physics | 23 | Expired |
| US6646418B1 | Method and apparatus for fuel cell protection | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5874755A | Ferroelectric semiconductor device and method of manufacture | Electricity | 8 | Expired |
| US5851844A | Ferroelectric semiconductor device and method of manufacture | Electricity | 8 | Expired |
| US6563118B2 | Pyroelectric device on a monocrystalline semiconductor substrate and process for fabricating same | Electricity | 7 | Expired |
| US7342276B2 | Method and apparatus utilizing monocrystalline insulator | Electricity | 5 | Expired |
| US5039881A | High speed, low power input buffer | Electricity | 4 | Expired |
| US5898317A | Configurable monolithic semiconductor circuit and method for configuring | Electricity | 4 | Expired |
| US5973379A | Ferroelectric semiconductor device | Electricity | 4 | Expired |
| US5426382A | Complementary logic recovered energy circuit | Electricity | 3 | Expired |
| US6262461A | Method and apparatus for creating a voltage threshold in a FET | Electricity | 3 | Expired |
| US9787106B2 | Method and apparatus for improving cycle life capacity of a battery pack | Electricity | 3 | Active |
| US8642205B2 | Electrochemical battery pack with reduced magnetic field emission and corresponding devices | Emerging Cross-Sectional Technologies | 2 | Active |
| US5846847A | Method of manufacturing a ferroelectric device | Electricity | 2 | Expired |
| US5457405A | Complementary logic recovered energy circuit | Electricity | 2 | Expired |
| US6097047A | Ferroelectric semiconductor device, and ferroelectric semiconductor substrate | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.