14 Utility Patents
#1,619 in Hsinchu
#7,215 in Taiwan
#271,038 in the World
Forward Citations = 78
Company Filing History:

Chang Chun Petrochemical Co., Ltd.
Chang Chun Plastics Co., Ltd.
4. 2 out of 832,627 patents
Other
5. 2 out of 4
Taiwan Styrene Monomer Corporation
where one patent can have more than one assignee
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