Inventor

Keun-Il Lee

Inventor

Ichon-shi, KR

Overview

3→

Patents

2003–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

H10Bprimary

H10BElectronic memory devices20%

H10DInorganic electric semiconductor devices20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

C07BGeneral methods of organic chemistry10%

C07CAcyclic or carbocyclic compounds10%

C07DHeterocyclic compounds10%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

PatentTitleYear

11,130,734Amino alcohol-boron-binol complex and method for preparing optically active amino alcohol derivative by using same2021 6,723,601'Method for manufacturing semiconductor memory device using hemispherical grain silicon'2004 6,518,612'Semiconductor memory device using hemispherical grain silicon for bottom electrodes'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to HYUNDAI ELECTRONICS IND (2)· patent assignee history

2003–2004Based in Ichon-shi, KR· patent location history

2021Patents assigned to MOLECULES & MAT CO LTD (1)· patent assignee history

2021Based in Daejeon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HYUNDAI ELECTRONICS IND	2	2003–2004
MOLECULES & MAT CO LTD	1	2021

Locations

Location	Patents	Span
Ichon-shi, KR	2	2003–2004
Daejeon, KR	1	2021