Inventor

Keun Ho Ryu

Inventor
Seoul, KR

Overview

22→
Patents
2008–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 22 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes16%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%
F16CShafts9%
A61QSpecific use of cosmetics or similar toiletry preparations7%
C07DHeterocyclic compounds7%
F01DNon-positive displacement machines or engines, e.g. steam turbines5%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%
F02BInternal-combustion piston engines4%
G06FElectric digital data processing4%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
PatentTitleYear
11,004,732Method of manufacturing semiconductor device202110,808,757Air bearing and rotor system202010,492,338Server room cooling device, filter module for introducing outer air, and data center air-conditioning system comprising same201910,355,484Highly efficient power supply unit and method for supplying power using same201910,155,7632-pyridyl substituted imidazoles as ALK5 and/or ALK4 inhibitors20189,822,812'Tilting pad journal bearing for use in a turbocharger'20179,790,812'Fluid film conical or hemispherical floating ring bearings'20179,762,058'Highly efficient power supply unit and method for supplying power using same'20179,599,149'Fluid film hydrodynamic tilting pad semi-floating ring journal bearing with compliant dampers'20179,514,511'Timing controller to perform panel self-refresh using compressed data, method of operating the same, and data processing system including the same'20169,394,941'Oil-free turbocharger bearing assembly having conical shaft supported on compliant gas bearings'20169,271,916'Composition for reducing skin wrinkles including PDE5 inhibitor'20169,180,153'Sophorae Radix extract for prevention and treatment of respiratory diseases'20159,168,212'Composition for eyelash growth'20159,155,691'Composition for reducing skin wrinkles including PDE5 inhibitor'20159,096,571'Picolinamide and pyrimidine-4-carboxamide compounds, process for preparing and pharmaceutical composition comprising the same'20158,716,298'Composition for reducing skin wrinkles including PDE5 inhibitor'20148,652,537'Herbal drug composition for cartilage protection'20148,410,146'2-pyridyl substituted imidazoles as ALK5 and/or ALK4 inhibitors'20137,965,286'Timing controller to reduce flicker and method of operating display device including the same'20117,601,736'Pyridine derivatives, a process for their preparation and a pharmaceutical composition containing the same'20097,314,644'Extraction and purification method of active constituents from stem of Lonicera japonica thunb., its usage for anti-inflammatory and analgesic drug'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2016Patents assigned to SK CHEMICALS CO LTD (10)· patent assignee history
2008–2020Based in Seoul, KR· patent location history
2011Based in Yongin-si, KR· patent location history
2013–2015Patents assigned to LEE BONG-YONG (3)· patent assignee history
2013–2018Patents assigned to LEE HYUN JUNG (3)· patent assignee history
2014–2018Patents assigned to RYU KEUN HO (4)· patent assignee history
2016–2017Patents assigned to BORGWARNER INC (4)· patent assignee history
2016–2021Based in Hwaseong-si, KR· patent location history
2017–2019Based in Seongnam-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SK CHEMICALS CO LTD102008–2016
BORGWARNER INC42016–2017
RYU KEUN HOself42014–2018
LEE BONG-YONG32013–2015
LEE HYUN JUNG32013–2018
Locations
LocationPatentsSpan
Seoul, KR162008–2020
Seongnam-si, KR32017–2019
Hwaseong-si, KR22016–2021
Yongin-si, KR12011