Inventor
Scott M. O'Brien
Inventor
Mendota Heights, MN, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer76%
H03FAmplifiers14%
H05BElectric heating5%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
PatentTitleYear
10,147,455Sensor circuit supporting multiple transducers with dedicated and shared terminals201810,056,106Methods and devices for power control of a light source of a memory system20189,881,637'Methods and devices for spin torque oscillator control and monitoring'20189,715,887'Magnetic recording system using pattern dependent writer having register pages for storing write currents'20179,437,219'Magnetoresistive reader for two-dimensional magnetic recording'20169,431,050'Preamplifier common-mode noise rejection for two-dimensional magnetic recording'20169,401,175'Preamplifier crosstalk correction in array reader magnetic recording system'20169,336,803'Pseudo-differential shared-pin reader for two-dimensional magnetic recording'20169,064,539'Systems and methods for timing control in a data processing system'20158,830,618'Fly height control for hard disk drives'20147,724,460'Magneto-resistive head resistance sensor'20107,630,159'Resistance mode comparator for determining head resistance'20097,626,777'Variable threshold bipolar signal peak detector'20097,339,760'Integrated bias and offset recovery amplifier'20087,019,923'Pre-amplifier employing transistors having a diminished breakdown voltage and a disk drive and a Thevenin writer employing the same'20066,879,456'Disk drive writer with active reflection cancellation'20056,813,110'Disk drive writer with capacitive boost'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2010Patents assigned to AGERE SYSTEMS INC (7)· patent assignee history
2004–2010Based in Eagan, MN, US· patent location history
2009Based in Bloomington, MN, US· patent location history
2014–2015Patents assigned to LSI CORP (2)· patent assignee history
2014–2018Based in Eden Prairie, MN, US· patent location history
2015–2018Patents assigned to AVAGO TECHNOLOGIES GENERAL IP (8)· patent assignee history
2016–2018Based in Mendota Heights, MN, US· patent location history
2018Patents assigned to AVAGO TECH INT SALES PTE LID (1)· patent assignee history
2018Patents assigned to AVAGO TECH INTERNATIONAL SALES PTE LIMITE (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AVAGO TECHNOLOGIES GENERAL IP | 8 | 2015–2018 |
| AGERE SYSTEMS INC | 7 | 2004–2010 |
| LSI CORP | 2 | 2014–2015 |
| AVAGO TECH INT SALES PTE LID | 1 | 2018 |
| AVAGO TECH INTERNATIONAL SALES PTE LIMITE | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mendota Heights, Minnesota, US | 7 | 2016–2018 |
| Eagan, Minnesota, US | 5 | 2004–2010 |
| Eden Prairie, Minnesota, US | 3 | 2014–2018 |
| Bloomington, Minnesota, US | 2 | 2009 |