Inventor

UttHeng Kan

Inventor

Singapore, SG

Overview

21→

Patents

2002–2012

Patent span

Physics

Primary field (CPC G)

Patents· 21 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 transducer68%

H04LTransmission of digital information, e.g. telegraphic communication11%

H04BTransmission7%

G01RMeasuring electric variables4%

G06FElectric digital data processing4%

H03MCoding4%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%

PatentTitleYear

8,120,868'Data storage medium having system data stored in a guard band between zones of consecutive data storage tracks'2012 8,018,671'Mapping defects on a data wedge basis'2011 7,907,360'Setting writer boundaries for multiple writers'2011 7,817,364'Defect reallocation for data tracks having large sector size'2010 7,561,357'Decoder with energization control circuit'2009 7,536,625'Maintaining data integrity in a data storage system'2009 7,529,054'Adaptive recording band expansion methodology'2009 7,508,617'Fly height compensation using read gain control loop'2009 7,417,813'Overlapping data track access'2008 7,405,893'Data storage medium with optimized servo format'2008 7,392,439'Calculation of data frequencies in recording media'2008 7,209,304'Systems, apparatus, and methods to determine thermal decay characterization from an equalized signal-to-noise ratio of a magnetic disc drive device'2007 7,082,007'Method to achieve higher track density by allowing only one-sided track encroachment'2006 6,981,197'Enhanced interleave type error correction method and apparatus'2005 6,940,671'System and method to determine the time domain equalized signal-to-noise ratio of a mass storage device'2005 6,853,511'Average position error measurement in a data storage device'2005 6,771,441'Track mis-registration measurement for a disc drive'2004 6,735,029'Equalized response extraction from a read channel'2004 6,583,942'Method and apparatus for determining equalized signal-to-noise ratio in a storage device'2003 6,570,378'Amplitude decay of magnetic storage medium'2003 6,456,213'Digitizing readback waveform for testing hard disc drives'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2012Patents assigned to SEAGATE TECHNOLOGY LLC (20)· patent assignee history

2002–2012Based in Singapore, SG· patent location history

2008Based in Singpore, SG· patent location history

2012Patents assigned to BI QIANG (1)· patent assignee history

2012Patents assigned to CHIANG TAIVIE (1)· patent assignee history

2012Patents assigned to CHIANG WINGKONG (1)· patent assignee history

2012Patents assigned to DONG MINGZHONG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEAGATE TECHNOLOGY LLC	20	2002–2012
BI QIANG	1	2012
CHIANG TAIVIE	1	2012
CHIANG WINGKONG	1	2012
DONG MINGZHONG	1	2012

Locations

Location	Patents	Span
Singapore, SG	20	2002–2012
Singpore, SG	1	2008