Inventor

Kyeong Man Ra

Inventor

Chungcheongbuk-do, KR

Overview

1998–2002

Patent span

Electricity

Primary field (CPC H)

Patents· 15 as inventor

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

H10Bprimary

H10BElectronic memory devices45%

G11CStatic stores40%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

H10DInorganic electric semiconductor devices5%

PatentTitleYear

6,480,018'Charge gain stress test circuit for nonvolatile memory and test method using the same'2002 6,335,553'Nonvolatile semiconductor memory and method of fabrication'2002 6,335,243'Method of fabricating nonvolatile memory device'2002 6,323,671'Charge gain stress test circuit for nonvolatile memory and test method using the same'2001 6,278,634'Reference memory cell initialization circuit and method'2001 6,269,022'Threshold voltage setting circuit for reference memory cell and method for setting threshold voltage using the same'2001 6,146,943'Method for fabricating nonvolatile memory device'2000 6,121,072'Method of fabricating nonvolatile memory device'2000 6,087,223'Method of fabricating flash memory with dissymmetrical floating gate'2000 6,037,226'Method of making contactless nonvolatile semiconductor memory with asymmetrical floating gate'2000 6,038,175'Erase verifying apparatus in serial flash memory having redundancy and method thereof'2000 5,998,829'Non-volatile memory device incorporating a dual channel structure'1999 5,859,454'Nonvolatile memory device'1999 5,777,359'Semiconductor flash memory device and fabrication method of same'1998 5,751,632'Device for and method of sensing data of multi-bit memory cell'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2002Patents assigned to LG SEMICON CO LTD (10)· patent assignee history

1998–2002Based in Chungcheongbuk-do, KR· patent location history

1998Based in Cheonju, KR· patent location history

1999–2002Based in Cheongju-si, KR· patent location history

2000–2002Patents assigned to HYUNDAI ELECTRONICS IND (5)· patent assignee history

2000Based in Cheongju, KR· patent location history

2001–2002Based in Kyungki-do, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LG SEMICON CO LTD	10	1998–2002
HYUNDAI ELECTRONICS IND	5	2000–2002

Locations

Location	Patents	Span
Chungcheongbuk-do, KR	8	1998–2002
Kyungki-do, KR	2	2001–2002
Cheongju-si, KR	2	1999–2002
Cheongju, KR	2	2000
Cheonju, KR	1	1998