Inventor

Dong-hun Yoo

Inventor
Gwangju, KR

Overview

49→
Patents
2005–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 49 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning59%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
B04CApparatus using free vortex flow, e.g. cyclones9%
B01DSeparation8%
A61LMethods or apparatus for sterilising materials or objects in general3%
A61BDiagnosis1%
B08BCleaning in general1%
F04DNon-positive-displacement pumps1%
G01NInvestigating or analysing materials by determining their chemical or physical properties1%
LOC151%
PatentTitleYear
11,043,981Method for performing communication with external electronic device using resonant frequency modified according to proximity of external object, and electronic device supporting same202110,849,473Vacuum cleaner202010,799,080Cleaner202010,292,552Vacuum cleaner201910,105,022Vacuum cleaner201810,085,603Vacuum cleaner20189,585,531'Nozzle assembly having subsidiary brush unit'20179,254,069'Vacuum cleaner'20169,089,248'Fan motor apparatus having diffuser unit for vacuum cleaner'20158,671,513'Nozzle assembly having subsidiary brush unit'20148,505,157'Vacuum cleaner'20138,505,160'Vacuum cleaner'20138,484,797'Cleaner having additional cleaning apparatus'20138,468,646'Vacuum cleaner for using in both upright form and canister form'20138,308,832'Dust separating and collecting apparatus of vacuum cleaner'20128,268,029'Cyclone dust-collecting apparatus'20128,250,704'Suction nozzle assembly and vacuum cleaner having the same'20128,191,203'Dust receptacle and vacuum cleaner having the same'20128,032,981'Vacuum cleaner'20118,011,061'Nozzle assembly of vacuum cleaner'20117,979,953'Vacuum cleaner'20117,981,181'Cyclone dust-separating apparatus and cleaner having the same'20117,950,104'Vacuum cleaner having dust-separating apparatus with shutter unit'20117,937,802'Vacuum cleaner for use in both upright form and canister form'20117,934,286'Upright vacuum cleaner with a single frame support for a separable cleaner body'20117,930,797'Suction brush assembly capable of automatic height adjustment'20117,926,143'Vacuum cleaner'20117,879,120'Vacuum cleaner'20117,836,546'Dust collecting unit for vacuum cleaner'20107,819,933'Cyclone dust collector'20107,810,210'Cleaner having a handle for carrying a dust container and a cleaner body'20107,765,639'Turbine brush of a vacuum cleaner'20107,743,462'Double sided suction nozzle for use in vacuum cleaner'20107,722,693'Cyclone dust collecting apparatus for vacuum cleaner'20107,678,166'Cyclone dust collecting apparatus for vacuum cleaner'20107,645,311'Cyclone unit and contaminants-collecting apparatus having the same'20107,637,184'Locking/unlocking device for dust-collector and upright vacuum cleaner having the same'20097,635,400'Dust collecting device for vacuum cleaner'20097,632,327'Dust collecting apparatus for a vacuum cleaner and a vacuum cleaner incorporating the same'20097,597,730'Dust collection apparatus for vacuum cleaner'20097,581,283'Nozzle assembly having UV generation unit and vacuum cleaner having the same'20097,556,662'Multi-cyclone dust separating apparatus'20097,533,441'Air path conversion valve assembly for vacuum cleaner'2009D0581612'Dust separating apparatus for a vacuum cleaner'20087,144,438'Dust collecting container for vacuum cleaner'20066,948,212'Vacuum cleaner usable with cyclone and pocket-type dust collectors'20056,934,994'Vacuum cleaner'20056,913,635'Dust collecting filter of vacuum cleaner and vacuum cleaner having the same'20056,880,200'Suction device for a vacuum cleaner'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2011Patents assigned to SAMSUNG KWANGJU ELECTRONICS CO (25)· patent assignee history
2005–2018Based in Gwangju, KR· patent location history
2011–2020Patents assigned to SAMSUNG ELECTRONICS CO LTD (19)· patent assignee history
2012–2015Patents assigned to YOO DONG-HUN (9)· patent assignee history
2013Patents assigned to CHO JEONG-HEE (1)· patent assignee history
2014Patents assigned to PARK YUN HEE (1)· patent assignee history
2018–2020Based in Suwon-si, KR· patent location history
2021Based in Hwaseong-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG KWANGJU ELECTRONICS CO252005–2011
SAMSUNG ELECTRONICS CO LTD192011–2020
YOO DONG-HUNself92012–2015
CHO JEONG-HEE12013
PARK YUN HEE12014
Locations
LocationPatentsSpan
Gwangju, KR442005–2018
Suwon-si, KR42018–2020
Hwaseong-si, KR12021