Inventor
Robert G. Smith
Inventor
Vadnais Heights, MN, US
Overview
Patents· 19 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 transducer28%
B81BMicrostructural devices or systems, e.g. micromechanical devices14%
F16CShafts11%
G02BOptical elements, systems or apparatus11%
H01HElectric switches11%
B82YSpecific uses or applications of nanostructures6%
H01GCapacitors6%
C04BLime, magnesia3%
C10MLubricating compositions3%
H01FMagnets3%
PatentTitleYear
10,395,678Method and system for determining slider-disk contact in a magnetic recording disk drive with dual fly-height actuators201910,354,680Using window underlayer structures to protect near field transducers on heat assisted magnetic recording heads201910,283,145Electromagnetically-shielded near-field transducer thermal sensor for heat-assisted magnetic recording201910,217,481Data storage device employing low duty cycle square wave to detect head touchdown201910,056,098Data storage device employing multi-mode sensing circuitry for multiple head sensor elements20189,947,346Using window underlayer structures to protect near field transducers on heat assisted magnetic recording heads20188,917,478'Bearing with grease pockets, bearing device with plural bearings, and recording device equipped with bearing device'20148,630,062'Bearing apparatus having concentric inner and outer roller bearings and information recording/reproducing apparatus'20148,345,386'Bearing device and information recording and reproducing apparatus'20138,221,003'Bearing unit and pivot device'20126,798,954'Packaged optical micro-mechanical device'20046,711,318'Optical switch based on rotating vertical micro-mirror'20046,708,491'Direct acting vertical thermal actuator'20046,647,164'Gimbaled micro-mirror positionable by thermal actuators'20036,531,947'Direct acting vertical thermal actuator with controlled bending'20036,483,957'MEMS-based polarization mode dispersion compensator'20026,483,419'Combination horizontal and vertical thermal actuator'20026,438,954'Multi-directional thermal actuator'20025,670,253'Ceramic wafers and thin film magnetic heads'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2004Based in Vadnais Heights, MN, US· patent location history
2002–2004Patents assigned to 3M INNOVATIVE PROPERTIES CO (8)· patent assignee history
2012–2014Patents assigned to SEIKO INSTR THAILAND LTD (3)· patent assignee history
2012–2014Patents assigned to SMITH ROBERT GORDON (3)· patent assignee history
2012–2014Based in Pathumthani, TH· patent location history
2014Patents assigned to SEIKO INSTR INC (2)· patent assignee history
2018–2019Patents assigned to WESTERN DIGITAL TECH INC (6)· patent assignee history
2018–2019Based in San Jose, CA, US· patent location history
2019Based in Sunnyvale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 8 | 2002–2004 |
| WESTERN DIGITAL TECH INC | 6 | 2018–2019 |
| SEIKO INSTR THAILAND LTD | 3 | 2012–2014 |
| SMITH ROBERT GORDONself | 3 | 2012–2014 |
| SEIKO INSTR INC | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Vadnais Heights, Minnesota, US | 9 | 1997–2004 |
| San Jose, California, US | 5 | 2018–2019 |
| Pathumthani, TH | 4 | 2012–2014 |
| Sunnyvale, California, US | 1 | 2019 |