Inventor

Changhwa Sun

Inventor
Seoul, KR

Overview

8→
Patents
2018–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 8 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning23%
G05DSystems for controlling or regulating non-electric variables18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
A01BSoil working in agriculture or forestry9%
A01DHarvesting9%
A46BBrushes5%
B25JManipulators5%
G01SRadio direction-finding5%
G06FElectric digital data processing5%
G06NComputing arrangements based on specific computational models5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2020Patents assigned to LG ELECTRONICS INC (7)· patent assignee history
2018–2020Based in Seoul, KR· patent location history
2021Patents assigned to IBM (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LG ELECTRONICS INC72018–2020
IBM12021
Locations
LocationPatentsSpan
Seoul, KR72018–2020
Beijing, CN12021