Inventor

Edward Hinpong Lee

Inventor

San Jose, CA, US

Overview

22→

Patents

1998–2004

Patent span

Physics

Primary field (CPC G)

Patents· 22 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 transducer50%

Y10TTechnical subjects covered by former us classification36%

H04NPictorial communication, e.g. television9%

B82YSpecific uses or applications of nanostructures5%

PatentTitleYear

6,747,850'Merged magnetic head with a first pole piece notching layer'2004 6,683,759'First pole piece of a write head with a notching layer in a combined magnetic head'2004 6,655,009'Dual mask process for making second pole piece layer of multiple write heads with high resolution narrow track width second pole tip'2003 6,570,743'READ HEAD WITH HIGH AND LOW RESISTANCE LEAD LAYERS WHEREIN THE HIGH RESISTANCE LEAD LAYERS ARE CONNECTED TO A READ SENSOR AND EXTEND PERPENDICULAR FROM AN AIR BEARING SURFACE (ABS) OF THE READ HEAD BEYOND A BACK RECESSED EDGE OF THE SENSOR WHERE THE HIGH RESISTANCE LEAD LAYERS ARE CONNECTED TO THE LOW RESISTANCE LAYERS'2003 6,542,331'Magnetic head having write head with double split yoke'2003 6,473,276'Merged magnetic head which includes a write head with single-sided notched first pole piece'2002 6,430,011'Read head with improved lead layers at an air bearing surface'2002 6,339,872'Method of making a merged magnetic head that includes a write head with single-sided notched first pole piece'2002 6,325,947'Method for forming low profile multi-layer coil merged thin film magnetic head'2001 6,286,200'Dual mask process for making second pole piece layer of write head with high resolution narrow track width second pole tip'2001 6,221,559'Method of making crack resistant magnetic write head'2001 6,201,670'Merged magnetic head that includes a write head with single-sided notched first pole piece'2001 6,176,005'Method of making read head with improved lead layers'2001 6,163,442'High moment bilayer first pole piece layer of a write head with high magnetic stability for promoting read signal symmetry of a read head'2000 6,122,144'Contoured pole tip structures for minimizing side track erasure'2000 6,119,331'Notching the first pole piece of a write head with a notching layer in a combined magnetic head'2000 6,085,406'Method of making a read head with improved lead layers at an air bearing surface'2000 6,034,848'Low profile multi-layer coil merged thin film magnetic head'2000 6,029,339'Method of making write head with recessed stitched yoke on a planar portion of an insulation layer defining zero throat height'2000 5,880,915'Crack resistant magnetic write head'1999 5,805,391'Write head with recessed stitched yoke on a planar portion of an insulation layer defining zero throat height'1998 5,798,897'Inductive write head with insulation stack configured for eliminating reflective notching'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2003Patents assigned to IBM (20)· patent assignee history

1998–2004Based in San Jose, CA, US· patent location history

2004Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history

2004Patents assigned to INTERNAT BUISNESS MACHINE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	20	1998–2003
HITACHI GLOBAL STORAGE TECH	1	2004
INTERNAT BUISNESS MACHINE CORP	1	2004

Locations

Location	Patents	Span
San Jose, California, US	22	1998–2004