LexDanaLexDanabeta
Inventor

Kim S. Kwang

Inventor
Gyeonggi-do, KR

Overview

3→
Patents
1993–2006
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B24Dprimary
B24DTools for grinding, buffing or sharpening25%
B28DWorking stone or stone-like materials25%
G11BInformation storage based on relative movement between record carrier and transducer25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
7,131,128'Optical actuator'20065,392,759'Diamond cutting tool for hard articles'1995D0342270'Core drill for perforating stone'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1995Patents assigned to EHWA DIAMOND IND CO LTD (2)· patent assignee history
1993Based in Yongsan-gu, KR· patent location history
1995Based in Seoul, KR· patent location history
2006Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history
2006Based in Gyeonggi-do, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EHWA DIAMOND IND CO LTD21993–1995
SAMSUNG ELECTRONICS CO LTD12006
Locations
LocationPatentsSpan
Gyeonggi-do, KR12006
Seoul, KR11995
Yongsan-gu, KR11993