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Inventor

Dong W. Han

Inventor
Kyungki-do, KR

Overview

2→
Patents
1993–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients50%
C22CAlloys50%
PatentTitleYear
5,891,388'Fe-Mn vibration damping alloy steel having superior tensile strength and good corrosion resistance'19995,234,985'Transparent resin composition radiating far infrared rays'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to CHEIL IND INC (1)· patent assignee history
1993Based in Keungki, KR· patent location history
1999Patents assigned to WOOJIN INC (1)· patent assignee history
1999Based in Kyungki-do, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEIL IND INC11993
WOOJIN INC11999
Locations
LocationPatentsSpan
Kyungki-do, KR11999
Keungki, KR11993