Inventor

Heon Lee

Inventor

Sunnyvale, CA, US

Overview

1993–2006

Patent span

Electricity

Primary field (CPC H)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Bprimary

H10BElectronic memory devices31%

H10DInorganic electric semiconductor devices31%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1028%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%

PatentTitleYear

7,153,781'Method to etch poly Si gate stacks with raised STI structure'2006 6,838,339'Area-efficient stack capacitor'2005 6,753,252'Contact plug formation for devices with stacked capacitors'2004 6,573,192'Dual thickness gate oxide fabrication method using plasma surface treatment'2003 6,440,793'Vertical MOSFET'2002 6,414,347'Vertical MOSFET'2002 6,362,033'Self-aligned LDD formation with one-step implantation for transistor formation'2002 6,355,520'Method for fabricating 4F2 memory cells with improved gate conductor structure'2002 6,352,934'Sidewall oxide process for improved shallow junction formation in support region'2002 6,326,260'Gate prespacers for high density, high performance DRAMs'2001 6,294,436'Method for fabrication of enlarged stacked capacitors using isotropic etching'2001 6,284,666'Method of reducing RIE lag for deep trench silicon etching'2001 6,261,924'Maskless process for self-aligned contacts'2001 5,264,391'Method of forming a self-aligned contact utilizing a polysilicon layer'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to HYUNDAI ELECTRONICS IND (1)· patent assignee history

1993Based in Kyungki, KR· patent location history

2001–2006Patents assigned to INFINEON TECHNOLOGIES AG (9)· patent assignee history

2001–2004Patents assigned to IBM (6)· patent assignee history

2001–2006Based in Sunnyvale, CA, US· patent location history

2001–2002Based in Fishkill, NY, US· patent location history

2005Based in Kyungbuk, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
INFINEON TECHNOLOGIES AG	9	2001–2006
IBM	6	2001–2004
HYUNDAI ELECTRONICS IND	1	1993

Locations

Location	Patents	Span
Sunnyvale, California, US	9	2001–2006
Fishkill, New York, US	3	2001–2002
Kyungbuk, KR	1	2005
Kyungki, KR	1	1993