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Inventor

Hyeon-chang Hong

Inventor
Ansan, KR

Overview

3→
Patents
1998–2002
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 transducer50%
Y10TTechnical subjects covered by former us classification33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
6,423,430'Magneto-optical recording medium for short wavelength'20025,976,617'Initialization method of phase transformation-type optical disk'19995,718,961'Phase change type optical disk'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2002Patents assigned to SAMSUNG ELECTRONICS CO LTD (3)· patent assignee history
1998Based in Ansan-si, KR· patent location history
1999–2002Based in Ansan, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG ELECTRONICS CO LTD31998–2002
Locations
LocationPatentsSpan
Ansan, KR21999–2002
Ansan-si, KR11998