David C. H. Cheng
38Patents
15h-index
39Co-inventors
81Inventor score
Filing activity: Dec 19, 1989 → Dec 24, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6353999B1 | Method of making mechanical-laser structure | Emerging Cross-Sectional Technologies | 124 | Expired |
| US6229477A | Method and system for determining a position of a communication satellite utilizing two-way ranging | Physics | 107 | Expired |
| US6506632B1 | Method of forming IC package having downward-facing chip cavity | Electricity | 101 | Expired |
| US6201300A | Printed circuit board with thermal conductive structure | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6175497A | Thermal vias-provided cavity-down IC package structure | Electricity | 64 | Expired |
| US5740233A | System and method for statistical diagnosis of the operation of an automated telephone system | Electricity | 56 | Expired |
| US5822401A | Statistical diagnosis in interactive voice response telephone system | Electricity | 53 | Expired |
| US6506633B1 | Method of fabricating a multi-chip module package | Electricity | 35 | Expired |
| US6709897B2 | Method of forming IC package having upward-facing chip cavity | Electricity | 34 | Expired |
| US5026470A | Sputtering apparatus | Electricity | 30 | Expired |
| US6785553B2 | Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS | Physics | 30 | Expired |
| US6246363A | Method and system for incorporating two-way ranging navigation as a calibration reference for GPS | Physics | 25 | Expired |
| US6257526A | Satellite system and method of deploying same | Electricity | 23 | Expired |
| US6766987B2 | Satellite system and method of deploying same | Electricity | 18 | Expired |
| US5483515A | Apparatus and method for cancelling cross-talk in signals from optical data storage systems | Physics | 15 | Expired |
| US6327872A | Method and apparatus for producing a pressurized high purity liquid carbon dioxide stream | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6032355A | Method of forming thermal conductive structure on printed circuit board | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6336612B1 | Satellite system and method of deploying same | Electricity | 13 | Expired |
| US6963548B1 | Coherent synchronization of code division multiple access signals | Electricity | 13 | Expired |
| US6460808B2 | Satellite system and method of deploying same | Electricity | 13 | Expired |
| US6606307B1 | Techniques for utilization of bandwidth space assets | Electricity | 13 | Expired |
| US6288858A | Method for improving magnetic recording at high data rates for waveforms having a burst of transitions | Physics | 11 | Expired |
| US6638858B2 | Hole metal-filling method | Electricity | 11 | Expired |
| US6313790A | Method and system for determining a position of a transceiver in a communications network | Physics | 10 | Expired |
| US7284323B2 | Process of fabricating conductive column | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.