Inventor
Lloyd Levy
Inventor
San Jose, CA, US
Overview
Patents· 14 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 transducer72%
F16CShafts17%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,699,172'Disk drive generating off-track read capability for a plurality of track segments'20147,489,469'Embedded runout correction based on written-in runout measurement'20097,315,431'Method to correct radial misposition of data tracks using stitched correction fields'20087,212,369'Method and apparatus for performing a spiral self-servo write operation in a disk drive using an auto detection scheme'20076,965,491'Method to correct radial misposition of data tracks'20056,714,376'Partial servo write fill in'20046,473,301'Disk drive test rack with universal electrical connector'20026,327,150'Disk drive test rack with universal electrical connector'20014,875,117'Digital head positioner assembly'19894,797,762'Stress free winchester drive shaft mounting'19894,797,763'Compact magnetic head flexible suspension'19894,796,122'Integral head positioner for hard disk storage system'19894,754,353'Hard disk head positioner assembly'19884,150,559'Variable rate test joint'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Patents assigned to INGERSOLL RAND CO (1)· patent assignee history
1979Based in Princeton, NJ, US· patent location history
1988–1989Patents assigned to MICROPOLIS CORP (5)· patent assignee history
1988–1989Based in Chatsworth, CA, US· patent location history
1989Based in Northridge, CA, US· patent location history
2001–2008Patents assigned to MAXTOR CORP (6)· patent assignee history
2001–2014Based in San Jose, CA, US· patent location history
2014Patents assigned to CURRAN RICHARD T (1)· patent assignee history
2014Patents assigned to GUNDERSON DANIEL J (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAXTOR CORP | 6 | 2001–2008 |
| MICROPOLIS CORP | 5 | 1988–1989 |
| CURRAN RICHARD T | 1 | 2014 |
| GUNDERSON DANIEL J | 1 | 2014 |
| INGERSOLL RAND CO | 1 | 1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 8 | 2001–2014 |
| Northridge, California, US | 3 | 1989 |
| Chatsworth, California, US | 2 | 1988–1989 |
| Princeton, New Jersey, US | 1 | 1979 |