James D. Seefeldt
31Patents
12h-index
24Co-inventors
77Inventor score
Filing activity: Dec 27, 1994 → Nov 13, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6172378A | Integrated circuit varactor having a wide capacitance range | Electricity | 99 | Expired |
| US6310387A | Integrated circuit inductor with high self-resonance frequency | Electricity | 45 | Expired |
| US5795069A | Temperature sensor and method | Physics | 45 | Expired |
| US5736430A | Transducer having a silicon diaphragm and method for forming same | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6627954B1 | Integrated circuit capacitor in a silicon-on-insulator integrated circuit | Electricity | 24 | Expired |
| US6021675A | Resonating structure and method for forming the resonating structure | Physics | 23 | Expired |
| US7839195B1 | Automatic control of clock duty cycle | Electricity | 23 | Active |
| US7323946B2 | Lock detect circuit for a phase locked loop | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5834333A | Transducer having a resonating silicon beam and method for forming same | Physics | 23 | Expired |
| US6118164A | Transducer having a resonating silicon beam and method for forming same | Physics | 20 | Expired |
| US5744950A | Apparatus for detecting the speed of a rotating element including signal conditioning to provide a fifty percent duty cycle | Physics | 20 | Expired |
| US6355537B1 | Method of providing radio frequency isolation of device mesas using guard ring regions within an integrated circuit device | Electricity | 17 | Expired |
| US5796291A | Method and apparatus for compensating for temperature fluctuations in the input to a gain circuit | Electricity | 9 | Expired |
| US5708190A | Gas concentration sensor | Physics | 7 | Expired |
| US8975952B2 | CMOS logic circuit using passive internal body tie bias | Electricity | 6 | Active |
| US7342465B2 | Voltage-controlled oscillator with stable gain over a wide frequency range | Electricity | 6 | Expired |
| US7423492B2 | Circuit to reset a phase locked loop after a loss of lock | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5695285A | Apparatus for containing a temperature sensing device | Physics | 5 | Expired |
| US6220101A | Apparatus for measuring multiple pressures | Physics | 5 | Expired |
| US7718963B2 | Passive solid state ionizing radiation sensor | Electricity | 5 | Active |
| US8390352B2 | Apparatus and method for compensating for process, voltage, and temperature variation of the time delay of a digital delay line | Electricity | 5 | Active |
| US5753819A | Method and apparatus for sealing a pressure transducer within a housing | Physics | 5 | Expired |
| US7851860B2 | Techniques to reduce substrate cross talk on mixed signal and RF circuit design | Electricity | 4 | Expired |
| US8355478B1 | Circuit for aligning clock to parallel data | Electricity | 3 | Active |
| US5574361A | Switched reluctance angular velocity sensor | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.