James A. Cooper
38Patents
13h-index
28Co-inventors
81Inventor score
Filing activity: Jun 5, 1974 → Jun 2, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5465249A | Nonvolatile random access memory device having transistor and capacitor made in silicon carbide substrate | Electricity | 126 | Expired |
| US5365477A | Dynamic random access memory device | Electricity | 93 | Expired |
| US4324038A | Method of fabricating MOS field effect transistors | Electricity | 91 | Expired |
| US6180958A | Structure for increasing the maximum voltage of silicon carbide power transistors | Electricity | 81 | Expired |
| US6902947B2 | Integrated method for release and passivation of MEMS structures | Performing Operations; Transporting | 73 | Expired |
| US9065264B2 | System for mounting an electrical fixture to an electrical junction box | Emerging Cross-Sectional Technologies | 70 | Active |
| US6362495B1 | Dual-metal-trench silicon carbide Schottky pinch rectifier | Electricity | 42 | Expired |
| US8035112B1 | SIC power DMOSFET with self-aligned source contact | Electricity | 36 | Active |
| US4841570A | One-way transformation of information | Electricity | 34 | Expired |
| US4208728A | Programable logic array | Electricity | 24 | Expired |
| US7498633B2 | High-voltage power semiconductor device | Electricity | 22 | Expired |
| US4715422A | Reinforcement of articles of cast metal or metal alloy | Emerging Cross-Sectional Technologies | 17 | Expired |
| US3937985A | Apparatus and method for regenerating charge | Electricity | 14 | Expired |
| US6830950B2 | Integrated method for release and passivation of MEMS structures | Performing Operations; Transporting | 12 | Expired |
| US4291247A | Multistage logic circuit arrangement | Electricity | 11 | Expired |
| US4635083A | Memory device | Electricity | 10 | Expired |
| US6900133B2 | Method of etching variable depth features in a crystalline substrate | Performing Operations; Transporting | 7 | Expired |
| US4626708A | Electronic logic to enhance switch reliability in detecting openings and closures of redundant switches | Electricity | 5 | Expired |
| US4894689A | Transferred electron device | Electricity | 5 | Expired |
| US8476697B1 | Short-channel silicon carbide power MOSFET | Emerging Cross-Sectional Technologies | 4 | Active |
| US9780206B2 | Methods of reducing the electrical and thermal resistance of SiC substrates and devices made thereby | Electricity | 4 | Active |
| US4139907A | Integrated read only memory | Electricity | 4 | Expired |
| US8133789B1 | Short-channel silicon carbide power mosfet | Emerging Cross-Sectional Technologies | 4 | Active |
| US10505035B2 | Methods of reducing the electrical and thermal resistance of SiC substrates and devices made thereby | Electricity | 3 | Active |
| US9997599B2 | MOS-based power semiconductor device having increased current carrying area and method of fabricating same | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.