Inventor

Keun-Jong Lee

Inventor
Seoul, KR

Overview

5→
Patents
1997–2021
Patent span
Physics
Primary field (CPC G)

Patents· 5 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 transducer17%
A47CChairs8%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load8%
F15BSystems acting by means of fluids in general8%
G01BMeasuring length, thickness or similar linear dimensions8%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves8%
G01VGeophysics8%
G11CStatic stores8%
H01LSemiconductor devices8%
H10BElectronic memory devices8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to DAEWOO ELECTRONICS CO LTD (2)· patent assignee history
1997–2006Based in Seoul, KR· patent location history
2006Patents assigned to HWANG MYUNG-YONG (1)· patent assignee history
2015Patents assigned to BEAL A CRAIG (1)· patent assignee history
2015Patents assigned to CHRISTENSEN CALEB A (1)· patent assignee history
2015Patents assigned to CUMMINGS MALCOLM E (1)· patent assignee history
2015Based in Newburyport, MA, US· patent location history
2021Based in Hwaseong-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAEWOO ELECTRONICS CO LTD21997–1998
BEAL A CRAIG12015
CHRISTENSEN CALEB A12015
CUMMINGS MALCOLM E12015
HWANG MYUNG-YONG12006
Locations
LocationPatentsSpan
Seoul, KR31997–2006
Hwaseong-si, KR12021
Newburyport, Massachusetts, US12015