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Inventor

Sedong Chang

Inventor
Seoul, KR

Overview

2→
Patents
2014–2015
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.

F25Bprimary
F25BRefrigeration machines, plants or systems67%
F24FAir-conditioning33%
PatentTitleYear
9,103,570'Refrigerant system and method for controlling the same'20158,820,103'Air conditioner having plural compressors with oil bypass unit'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2015Patents assigned to CHANG SEDONG (2)· patent assignee history
2014–2015Patents assigned to CHUNG BAIKYOUNG (2)· patent assignee history
2014–2015Patents assigned to JANG JIYOUNG (2)· patent assignee history
2014–2015Patents assigned to LG ELECTRONICS INC (2)· patent assignee history
2014Patents assigned to JEONG HOJONG (1)· patent assignee history
2014–2015Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHANG SEDONGself22014–2015
CHUNG BAIKYOUNG22014–2015
JANG JIYOUNG22014–2015
LG ELECTRONICS INC22014–2015
JEONG HOJONG12014
Locations
LocationPatentsSpan
Seoul, KR22014–2015