Inventor
David M. Susak
Inventor
Phoenix, AZ, US
Overview
Patents· 38 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G05Fprimary
G05FSystems for regulating electric or magnetic variables11%
H03FAmplifiers11%
H03KPulse technique11%
H10DInorganic electric semiconductor devices9%
G01RMeasuring electric variables8%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
H03GControl of amplification5%
H04MTelephonic communication5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
9,739,669'Temperature sensor peripheral having independent temperature coefficient and offset adjustment programmability'20176,847,197'System and method for detection of zero current condition'20056,819,537'Power regulation system, apparatus, and method for providing regulated power to a microelectronic device'20046,563,294'System and method for highly phased power regulation'20036,559,684'System and method for current sensing'20036,507,175'System and method for detection of zero current condition'20036,150,864'Time delay circuit which is voltage independent'20006,118,400'Capacitor array for a successive approximation register (SAR) based analog to digital (A/D) converter and method therefor'20006,057,721'Reference circuit using current feedback for fast biasing upon power-up'20006,020,792'Precision relaxation oscillator integrated circuit with temperature compensation'20006,020,841'Driver circuit for low voltage operation of a successive approximation register (SAR) analog to digital (A/D) converter and method therefor'20005,925,921'Geometrical layout technique for a circular capacitor within an array of matched capacitors on a semiconductor device'19995,912,593'IC (current-capacitor) precision oscillator having frequency and duty cycle controls'19995,900,773'Precision bandgap reference circuit'19995,742,155'Zero-current start-up circuit'19985,679,275'Circuit and method of modifying characteristics of a utilization circuit'19975,670,829'Precision current limit circuit'19975,631,548'Power off-loading circuit and method for dissipating power'19975,604,373'Circuit and method of reverse voltage protection using a lateral transistor having a collector ring surrounding its base region'19975,548,233'Circuit and method of biasing a drive transistor to a data bus'19965,506,509'Circuit and method of measuring squib resistance'19965,329,585'Subscriber line interface circuit for controlling AC and DC output impedance'19945,245,299'Compandor with DC-coupled compressor'19935,198,957'Transient protection circuit using common drain field effect transistors'19935,172,409'Precision FET control loop'19925,166,983'Mute circuit for audio amplifiers'19925,012,139'Full wave rectifier/averaging circuit'19914,990,863'Amplifier output stage'19914,922,208'Output stage for an operational amplifier'19904,829,265'Operational amplifier'19894,736,126'Trimmable current source'19884,730,127'Method of matching currents from split collector lateral pnp transistors'19884,725,791'Circuit utilizing resistors trimmed by metal migration'19884,717,890'Symmetric layout for quad operational amplifier'19884,717,886'Operational amplifier utilizing resistors trimmed by metal migration'19884,717,885'Operational amplifier utilizing FET followers and feed-forward capacitors'19884,716,356'JFET pinch off voltage proportional reference current generating circuit'19874,713,626'Operational amplifier utilizing JFET followers'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1997Patents assigned to MOTOROLA INC (23)· patent assignee history
1987–1988Based in Mesa, AZ, US· patent location history
1989–2017Based in Chandler, AZ, US· patent location history
1996–2005Based in Phoenix, AZ, US· patent location history
1998–2017Patents assigned to MICROCHIP TECH INC (9)· patent assignee history
2003–2005Patents assigned to PRIMARION INC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MOTOROLA INC | 23 | 1987–1997 |
| MICROCHIP TECH INC | 9 | 1998–2017 |
| PRIMARION INC | 5 | 2003–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Phoenix, AZ, US | 20 | 1996–2005 |
| Chandler, AZ, US | 10 | 1989–2017 |
| Mesa, AZ, US | 8 | 1987–1988 |