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Inventor

Yi Song Park

Inventor
Kwangju, KR

Overview

3→
Patents
1998–2021
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.

A47Lprimary
A47LDomestic washing or cleaning40%
H01LSemiconductor devices20%
H10BElectronic memory devices20%
H10DInorganic electric semiconductor devices20%
PatentTitleYear
11,063,065Semiconductor device having a negative capacitance using ferroelectrical material20215,857,240'Vacuum cleaner'19995,839,156'Remote controllable automatic moving vacuum cleaner'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to KWANG JU ELECTRONICS CO LTD (2)· patent assignee history
1998–1999Based in Kwangju, KR· patent location history
2021Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history
2021Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KWANG JU ELECTRONICS CO LTD21998–1999
SAMSUNG ELECTRONICS CO LTD12021
Locations
LocationPatentsSpan
Kwangju, KR21998–1999
Seoul, KR12021