Inventor

WONJIN CHO

Inventor
DE

Overview

3→
Patents
2022–2024
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H05Kprimary
H05KPrinted circuits15%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
C09JAdhesives8%
C23CCoating metallic material8%
C23FNon-mechanical removal of metallic material from surface8%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis8%
H02HEmergency protective circuit arrangements8%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
H03KPulse technique8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to ALPHA & OMEGA SEMICONDUCTOR CAYMAN LTD (1)· patent assignee history
2022Based in KR· patent location history
2024Patents assigned to ATOTECH DEUTSCHLAND GMBH (2)· patent assignee history
2024Patents assigned to ATOTECH DEUTSCHLAND GMBH & CO KG (1)· patent assignee history
2024Based in DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ATOTECH DEUTSCHLAND GMBH22024
ALPHA & OMEGA SEMICONDUCTOR CAYMAN LTD12022
ATOTECH DEUTSCHLAND GMBH & CO KG12024
Locations
LocationPatentsSpan
DE22024
KR12022