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Inventor

Philjae Hwang

Inventor
Seoul, KR

Overview

8→
Patents
2011–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 8 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning73%
B01DSeparation9%
B04CApparatus using free vortex flow, e.g. cyclones9%
H02JElectric power networks9%
PatentTitleYear
11,122,948Vacuum202111,096,538Cleaner202111,089,932Vacuum202111,076,736Cleaner202111,064,855Cleaner20218,726,459'Vacuum cleaner'20147,992,253'Vacuum cleaner'20117,958,598'Vacuum cleaner'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2021Patents assigned to LG ELECTRONICS INC (8)· patent assignee history
2011–2014Based in Gimhae-si, KR· patent location history
2011Based in Kyungki-do, KR· patent location history
2014Patents assigned to CHOO JONG SU (1)· patent assignee history
2014Patents assigned to HA GUN HO (1)· patent assignee history
2014Patents assigned to HWANG MAN TAE (1)· patent assignee history
2014Patents assigned to HWANG PIL JAE (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 INC82011–2021
CHOO JONG SU12014
HA GUN HO12014
HWANG MAN TAE12014
HWANG PIL JAEself12014
Locations
LocationPatentsSpan
Seoul, KR52021
Gimhae-si, KR22011–2014
Kyungki-do, KR12011