Inventor

Michael A. Ashburn, Jr.

Inventor
Groton, MA, US

Overview

24→
Patents
2001–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Mprimary
H03MCoding36%
H03FAmplifiers8%
A61FFilters implantable into blood vessels6%
A61KPreparations for medical, dental or toiletry purposes6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
G05FSystems for regulating electric or magnetic variables6%
G06FElectric digital data processing6%
G01DMeasuring not specially adapted for a specific variable3%
G01RMeasuring electric variables3%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
PatentTitleYear
10,855,299Resistive DAC with summing junction switches, current output reference, and output routing methods202010,833,697Methods and circuits for suppressing quantization noise in digital-to-analog converters202010,476,456Comparator having a high-speed amplifier and a low-noise amplifier201910,075,180Circuits and methods for inter-symbol interference compensation201810,075,181DS modulator with excess loop delay compensation20189,675,562'Adhesive peel-forming formulations for dermal delivery of drugs and methods of using the same'20179,634,687'VCO-based continuous-time sigma delta modulator equipped with truncation circuit and phase-domain excess loop delay compensation'20179,584,146'System and method for measuring the DC-transfer characteristic of an analog-to-digital converter'20179,461,660'Digitally-corrected analog-to-digital converters'20169,385,745'Sigma-delta ADC with dither'20168,907,153'Adhesive peel-forming formulations for dermal delivery of drugs and methods of using the same'20148,653,869'Segmented fractional-N PLL'20148,570,200'Continuous-time oversampled converter having enhanced immunity to noise'20138,570,201'Direct feedback for continuous-time oversampled converters'20138,502,719'Continuous-time oversampled converter having passive filter'20138,456,463'Low voltage driver for high voltage LCD'20137,898,320'Auto-nulled bandgap reference system and strobed bandgap reference circuit'20117,797,118'Real-time clock calibration method and system'20107,723,979'Integrated energy metering system'20107,583,135'Auto-nulled bandgap reference system and strobed bandgap reference circuit'20096,879,274'Signal-conditioning and analog-to-digital conversion circuit architecture'20056,567,878'Two wire mixed signal bi-directional bus interface'20036,362,608'Multi-phase switching converters and methods'20026,298,066'Single wire bus interface for multidrop applications'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2003Patents assigned to MAXIM INTEGRATED PRODUCTS (3)· patent assignee history
2001–2003Based in Mountain View, CA, US· patent location history
2002–2020Based in San Jose, CA, US· patent location history
2005–2013Patents assigned to ANALOG DEVICES INC (6)· patent assignee history
2005–2019Based in Groton, MA, US· patent location history
2013–2020Patents assigned to MEDIATEK SINGAPORE PTE LTD (6)· patent assignee history
2013–2018Patents assigned to ASHBURN JR MICHAEL A (5)· patent assignee history
2014–2017Based in Salt Lake City, UT, US· patent location history
2016–2019Patents assigned to MEDIATEK INC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MEDIATEK INC72016–2019
ANALOG DEVICES INC62005–2013
MEDIATEK SINGAPORE PTE LTD62013–2020
ASHBURN JR MICHAEL Aself52013–2018
MAXIM INTEGRATED PRODUCTS32001–2003
Locations
LocationPatentsSpan
Groton, Massachusetts, US172005–2019
San Jose, California, US32002–2020
Salt Lake City, UT, US22014–2017
Mountain View, California, US22001–2003