Inventor

Cheonghwan Hwang

Inventor
Seoul, KR

Overview

8→
Patents
2013–2018
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.

A61Hprimary
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body30%
A45DHairdressing or shaving equipment22%
A46BBrushes11%
A47KSanitary equipment11%
A61NElectrotherapy7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
A61FFilters implantable into blood vessels4%
A61MDevices for introducing media into, or onto, the body4%
B08BCleaning in general4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2018Patents assigned to AMOREPACIFIC CORP (8)· patent assignee history
2013–2018Patents assigned to HWANG CHEONGHWAN (4)· patent assignee history
2013–2018Patents assigned to PARK WOORAM (4)· patent assignee history
2013–2018Based in Seoul, KR· patent location history
2017–2018Patents assigned to KANG BYUNGYOUNG (3)· patent assignee history
2017–2018Patents assigned to LEE CHANGKEUN (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMOREPACIFIC CORP82013–2018
HWANG CHEONGHWANself42013–2018
PARK WOORAM42013–2018
KANG BYUNGYOUNG32017–2018
LEE CHANGKEUN32017–2018
Locations
LocationPatentsSpan
Seoul, KR82013–2018