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Inventor

Kee-Ju Choi

Inventor
Seoul, KR

Overview

2→
Patents
1991–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F04Bprimary
F04BPositive-displacement machines for liquids33%
F16CShafts33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
PatentTitleYear
11,002,265Linear compressor20215,063,301'Noninvasive method and apparatus using coherent backscattering for process control'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to STANDARD OIL CO OHIO (1)· patent assignee history
1991Based in Euclid, OH, US· patent location history
2021Patents assigned to LG ELECTRONICS INC (1)· patent assignee history
2021Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LG ELECTRONICS INC12021
STANDARD OIL CO OHIO11991
Locations
LocationPatentsSpan
Seoul, KR12021
Euclid, OH, US11991