Inventor
KWON HAK-CHEOL
KR14 patents
⚠️ This page may combine multiple inventors who share the name “KWON HAK-CHEOL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA INST SCI & TECH
10 patentsUS12527827B2Jan 20, 2026
Compositions for preventing or treating cancer comprising extracts of Asarum maculatum nakai
KOREA INST SCI & TECH0 citations58
US12582690B2Mar 24, 2026
Compositions for preventing or treating cancer comprising extracts of Rubus longisepalus var. tozawai (nakai) t.b.lee
KOREA INST SCI & TECH0 citations57
US12201664B2Jan 21, 2025
Composition for preventing or treating allergic diseases containing mixed extract of two or more among Asiasarum root, Platycodon root, and Cinnamomi ramulus as active ingredients
KOREA INST SCI & TECH0 citations57
US12433925B2Oct 7, 2025
Composition for photodynamic reaction containing extract of Ligularia fischeri as an effective ingredient, antimicrobial, antifungal and sterilization composition including the same, and sterilization method using the composition for photodynamic reaction
KOREA INST SCI & TECH0 citations55
US12234257B2Feb 25, 2025
Triterpene saponin derivative and use thereof
KOREA INST SCI & TECH0 citations54
US11285186B2Mar 29, 2022
Composition comprising Crepidiastrum denticulatum extract for preventing or treating ischemia-reperfusion injury and use thereof
KOREA INST SCI & TECH0 citations53
US9650355B2May 16, 2017
Method for preparation of justicidin a derivatives of arylnaphthalene lignan structure
KOREA INST SCI & TECH0 citations48
US9265806B2Feb 23, 2016
Composition for preventing or treating dementia comprising extracts of monsonia species
KOREA INST SCI & TECH0 citations44
US9211278B2Dec 15, 2015
Composition containing arylnaphthalene lignan derivative for preventing and/or treating dementia
KOREA INST SCI & TECH0 citations44
US9132160B2Sep 15, 2015
Composition for preventing and/or alleviating hangover comprising extracts of sophora flavescens
KOREA INST SCI & TECH0 citations38
YANG HYUN-OK
2 patentsUS9040102B2May 26, 2015
Composition comprising longan arillus extract or combined extract comprising the same for treating neurodegenerative disease
YANG HYUN-OK2 citations53
US9044501B2Jun 2, 2015
Method of preventing and/or treating a neurodegenerative disease by administering an extract of Lycoris chejuensis and/or a compound isolated therefrom
YANG HYUN-OK0 citations45