Inventor

Gyeong Guk Ham

Inventor

Daegu, KR

Overview

3→

Patents

2017–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

C03Cprimary

C03CChemical composition of glasses, glazes or vitreous enamels9%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%

C09DCoating compositions, e.g. paints, varnishes or lacquers9%

C10MLubricating compositions9%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions9%

C11DDetergent compositions9%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%

H01LSemiconductor devices9%

H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules9%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation9%

PatentTitleYear

11,001,780Cutting oil composition2021 10,717,878Anti-reflection coating composition and anti-reflection film utilizing same2020 9,829,797Cleaning composition for photolithography and method of forming photoresist pattern using the same2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2021Patents assigned to YOUNG CHANG CHEMICAL CO LTD (3)· patent assignee history

2017–2021Based in Daegu, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
YOUNG CHANG CHEMICAL CO LTD	3	2017–2021

Locations

Location	Patents	Span
Daegu, KR	3	2017–2021