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Inventor

Gum Gee Lee

Inventor
Seoul, KR

Overview

3→
Patents
2013–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B66Bprimary
B66BElevators50%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
PatentTitleYear
11,064,290Speaker apparatus20219,446,930'Emergency stop device with attached hand brake system'20168,429,959'Apparatus and method for testing braking performance'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2016Patents assigned to GUMYOUNG GENERAL CO LTD (2)· patent assignee history
2013–2016Patents assigned to LEE GUM GEE (2)· patent assignee history
2013Patents assigned to CHO HYUN KYU (1)· patent assignee history
2013Patents assigned to JANG YONG SOO (1)· patent assignee history
2013–2021Based in Seoul, KR· patent location history
2021Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUMYOUNG GENERAL CO LTD22013–2016
LEE GUM GEEself22013–2016
CHO HYUN KYU12013
JANG YONG SOO12013
SAMSUNG ELECTRONICS CO LTD12021
Locations
LocationPatentsSpan
Seoul, KR32013–2021