39 Utility and 25 Design Patents
#388 in Yongin-si
#3,481 in South Korea
#59,898 in the World
rank by utility patentsForward Citations = 961
Company Filing History:



4. 2 out of 10,921

5. 2 out of 11
Chang Sung Ace Co., Ltd.
where one patent can have more than one assignee
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