Alan S. Chen
28Patents
6h-index
57Co-inventors
72Inventor score
Filing activity: Jun 9, 1997 → Feb 21, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8294331B2 | Acoustic wave guide device and method for minimizing trimming effects and piston mode instabilities | Emerging Cross-Sectional Technologies | 27 | Active |
| US7345364B2 | Structure and method for improved heat conduction for semiconductor devices | Electricity | 21 | Expired |
| US6001701A | Process for making bipolar having graded or modulated collector | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6359317B1 | Vertical PNP bipolar transistor and its method of fabrication | Electricity | 14 | Expired |
| US7557010B2 | Method to improve writer leakage in a SiGe bipolar device | Emerging Cross-Sectional Technologies | 9 | Active |
| US6191001A | Shallow trench isolation method | Electricity | 8 | Expired |
| US9331667B2 | Methods, systems, and apparatuses for temperature compensated surface acoustic wave device | Electricity | 5 | Active |
| US10469050B2 | Guided acoustic wave device | Electricity | 5 | Active |
| US7407824B2 | Guard ring for improved matching | Emerging Cross-Sectional Technologies | 5 | Active |
| US7923340B2 | Method to reduce collector resistance of a bipolar transistor and integration into a standard CMOS flow | Electricity | 4 | Active |
| US7642617B2 | Integrated circuit with depletion mode JFET | Electricity | 3 | Active |
| US8044553B2 | Temperature compensated surface acoustic wave device and method having buried interdigital transducers for providing an improved insertion loss and quality factor | Emerging Cross-Sectional Technologies | 2 | Active |
| US7253012B2 | Guard ring for improved matching | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9209380B2 | Acoustic wave device | Electricity | 1 | Active |
| US8552819B2 | High coupling, low loss saw filter and associated method | Electricity | 1 | Active |
| US9973169B2 | Surface acoustic wave filter with a cap layer for improved reliability | Electricity | 1 | Active |
| US7498204B2 | Structure and method for improved heat conduction for semiconductor devices | Electricity | 1 | Active |
| US7456061B2 | Method to reduce boron penetration in a SiGe bipolar device | Electricity | 0 | Active |
| US10476481B2 | Acoustic filtering circuitry including capacitor | Electricity | 0 | Active |
| US7479438B2 | Method to improve performance of a bipolar device using an amorphizing implant | Electricity | 0 | Active |
| US7666750B2 | Bipolar device having improved capacitance | Electricity | 0 | Active |
| US10886893B2 | Reduced-size guided-surface acoustic wave (SAW) devices | Electricity | 0 | Active |
| US8106480B2 | Bipolar device having improved capacitance | Electricity | 0 | Active |
| US6815302B2 | Method of making a bipolar transistor with an oxygen implanted emitter window | Electricity | 0 | Expired |
| US8147909B2 | Method of making and using alloy susceptor with improved properties for film deposition | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.