Inventor
Nelson Cheng
Inventor
Fremont, CA, US
Overview
Patents· 6 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 transducer100%
PatentTitleYear
8,169,730'Suppressing adjacent track interference/far track interference (ATI/FTI) in a hard disk drive (HDD) by an external magnetic field'20127,920,359'Magnetic recording apparatus with correlated main magnetic pole-to-shields spacing and main magnetic pole-to-medium layers spacing'20117,567,400'Method and apparatus for improving the error rate of track information on a magnetic storage device'20096,751,039'Method and apparatus for setting magneto resistive head bias current in disk drive for desired head lifetime'20046,697,203'Method for determining lifetime for media thermal decay'20046,445,527'Method and apparatus to reduce magneto-resistive drive electromigration and improve drive yields'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2004Patents assigned to MAXTOR CORP (3)· patent assignee history
2002–2012Based in Fremont, CA, US· patent location history
2009Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history
2011–2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (2)· patent assignee history
2012Patents assigned to CHENG NELSON (1)· patent assignee history
2012Patents assigned to RAMAMOORTHY LAKSHMI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAXTOR CORP | 3 | 2002–2004 |
| HITACHI GLOBAL STORAGE TECH NL | 2 | 2011–2012 |
| CHENG NELSONself | 1 | 2012 |
| HITACHI GLOBAL STORAGE TECH | 1 | 2009 |
| RAMAMOORTHY LAKSHMI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fremont, California, US | 6 | 2002–2012 |