8 Utility Patents
#8,249 in Seoul
#28,572 in South Korea
#521,301 in the World
Forward Citations = 106
Company Filing History:
Tong Yang Cement Corporation

Inostek Inc.
4. 1 out of 1
Dong Yang Cement Corporation
5. 1 out of 1,562

where one patent can have more than one assignee
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