10 Utility and 1 Design Patents
#3,044 in Suwon-si
#22,503 in South Korea
#406,495 in the World
rank by utility patentsForward Citations = 22
Company Filing History:

Prinker Korea Inc.
Sketchon Inc.
4. 1 out of 4,965

5. 1 out of 2
Sogang University Research & Business Foundation
where one patent can have more than one assignee
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