Inventor

Hyung-Chul Choi

Inventor

Lexington, MA, US

Overview

11→

Patents

2002–2021

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification18%

G02BOptical elements, systems or apparatus13%

G06FElectric digital data processing10%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%

A61KPreparations for medical, dental or toiletry purposes5%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%

C07DHeterocyclic compounds5%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

PatentTitleYear

10,995,086Triazolone derivatives or salts thereof and pharmaceutical compositions comprising the same2021 10,996,462Camera module2021 10,899,719Aryl or heteroaryl triazolone derivatives or salts thereof, or pharmaceutical compositions comprising the same2021 7,303,809'Process for forming electrodes'2007 6,815,056'Antireflection film'2004 6,761,788'Thermal mass transfer imaging system'2004 6,632,513'Antireflection film'2003 6,493,015'Thermal recording system'2002 6,464,822'Antireflection film'2002 6,379,509'Process for forming electrodes'2002 6,379,788'Antireflection film'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2007Patents assigned to 3M INNOVATIVE PROPERTIES CO (6)· patent assignee history

2002–2004Patents assigned to POLAROID CORP (2)· patent assignee history

2002–2007Based in Lexington, MA, US· patent location history

2021Patents assigned to YUHAN CORP (2)· patent assignee history

2021Patents assigned to LG INNOTEK CO LTD (1)· patent assignee history

2021Based in Suwon-si, KR· patent location history

2021Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
3M INNOVATIVE PROPERTIES CO	6	2002–2007
POLAROID CORP	2	2002–2004
YUHAN CORP	2	2021
LG INNOTEK CO LTD	1	2021

Locations

Location	Patents	Span
Lexington, Massachusetts, US	8	2002–2007
Suwon-si, KR	2	2021
Seoul, KR	1	2021