Inventor

Hyunchul Ko

Inventor

Austin, TX, US

Overview

5→

Patents

2013–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 5 as inventor

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

F21Kprimary

F21KNon-electric light sources using luminescence12%

G02BOptical elements, systems or apparatus12%

H10HInorganic light-emitting semiconductor devices having potential barriers12%

A01GHorticulture8%

C09KMaterials for miscellaneous applications, not provided for elsewhere8%

F21VFunctional features or details of lighting devices or systems thereof8%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted8%

H01LSemiconductor devices8%

Y02PClimate change mitigation technologies in the production or processing of goods8%

C21DModifying the physical structure of ferrous metals4%

PatentTitleYear

11,127,807Display device and manufacturing method thereof2021 11,031,162Grain-oriented electrical steel sheet and manufacturing method therefor2021 9,086,211'System and method for color mixing lens array'2015 8,585,253'System and method for color mixing lens array'2013 8,449,128'System and method for a lens and phosphor layer'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2015Patents assigned to ILLUMITEX INC (3)· patent assignee history

2013Patents assigned to DUONG DUNG T (2)· patent assignee history

2013Patents assigned to JOHNSON RANDALL E (2)· patent assignee history

2013Patents assigned to KO HYUNCHUL (2)· patent assignee history

2013Patents assigned to WINBERG PAUL N (2)· patent assignee history

2013–2015Based in Austin, TX, US· patent location history

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

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

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ILLUMITEX INC	3	2013–2015
DUONG DUNG T	2	2013
JOHNSON RANDALL E	2	2013
KO HYUNCHULself	2	2013
WINBERG PAUL N	2	2013

Locations

Location	Patents	Span
Austin, Texas, US	3	2013–2015
Suwon-si, KR	1	2021
Pohang-si, KR	1	2021