Nelson Cheng

This inventor holds 5 USPTO granted patents. Top assignees: Hitachi Global Storage Technologies Netherlands B.v., Maxtor Corporation. Active years: 2002-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nelson Cheng. Retrieved from https://idiyas.com/inventor/nelson-cheng

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5

% Patents Active = 40.0

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 57(Granted Patents)

Company Filing History:

3 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

Years Active: 2002-2012

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8169730 - Suppressing adjacent track interference/far track interference (ATI/FTI) in a hard disk drive (HDD) by an external magnetic field (2012-05-01),

2. 7920359 - Magnetic recording apparatus with correlated main magnetic pole-to-shields spacing and main magnetic pole-to-medium layers spacing (2011-04-05),

3. 7567400 - Method and apparatus for improving the error rate of track information on a magnetic storage device (2009-07-28),

4. 6697203 - Method for determining lifetime for media thermal decay (2004-02-24),

5. 6445527 - Method and apparatus to reduce magneto-resistive drive electromigration and improve drive yields (2002-09-03),

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]