Inventor

Tae Gyun Kwon

Inventor

Daejeon, KR

Overview

2→

Patents

1994–2021

Patent span

Physics

Primary field (CPC G)

Patents· 2 as inventor

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

C09Bprimary

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments20%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates20%

G02BOptical elements, systems or apparatus20%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

PatentTitleYear

10,996,459Transmittance-variable element2021 5,342,416'Blue dye composition'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to LUCKY LTD (1)· patent assignee history

1994–2021Based in Daejeon, KR· patent location history

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

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LG CHEMICAL LTD	1	2021
LUCKY LTD	1	1994

Locations

Location	Patents	Span
Daejeon, KR	2	1994–2021