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Inventor

Kooksang Sim

Inventor
Seoul, KR

Overview

3→
Patents
1995–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer67%
A62CFire-fighting33%
PatentTitleYear
10,926,118Safety handle of fire extinguisher and fire extinguisher having the safety handle20215,775,616'Tape tension control apparatus for video cassette tape recorder'19985,452,169'Variable bulge device for rotatable head drum'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to GOLD STAR CO (1)· patent assignee history
1995–1998Based in Seoul, KR· patent location history
1998Patents assigned to LG ELECTRONICS INC (1)· patent assignee history
2021Patents assigned to TOP ENG AND CONSTRUCTION CO LTD (1)· patent assignee history
2021Based in Gumi-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GOLD STAR CO11995
LG ELECTRONICS INC11998
TOP ENG AND CONSTRUCTION CO LTD12021
Locations
LocationPatentsSpan
Seoul, KR21995–1998
Gumi-si, KR12021