Do-Hyun Ryu — 8 Patents at LG | Patent Leaderboard

Do-Hyun Ryu has been granted 8 US patents while listed as an inventor at LG. The first was granted in 1994 and the most recent in October 2025. Do-Hyun Ryu ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Do-Hyun Ryu in Haepyeong-myeon, KR.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12436417	Method of manufacturing a display device having a protective film	WONGYUN KIM, Wu Hyeon Jung, Daehyun Hwang	2025-10-07
9285614	Liquid crystal dispensing system and method of dispensing liquid crystal material using same	Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son, Man-Ho An, Joon Young Kim +1 more	2016-03-15	$36,000
8714106	Liquid crystal dispensing system and method of dispensing liquid crystal material using same	Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son, Man-Ho An, Joon Young Kim +1 more	2014-05-06	$42,000
7785655	Liquid crystal dispensing system and method of dispensing liquid crystal material using same	Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son, Man-Ho An, Joon Young Kim +1 more	2010-08-31	$105,000
7322490	Liquid crystal dispensing system and method of dispensing liquid crystal material using same	Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son, Man-Ho An, Joon Young Kim +1 more	2008-01-29	$200,000
6962911	Pyrrolopyrimidinone derivatives, process of preparation and use	Dae-Kee Kim, Ju Young Lee, Nam Kyu Lee, Suk Ho Lee, Nam Ho Kim +7 more	2005-11-08
5743695	Automatic chip-loading apparatus	—	1998-04-28
5346302	Apparatus for mixing liquids in a certain ratio	—	1994-09-13

Do-Hyun Ryu — 8 Patents

Issued Patents All Time

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