45 Utility and 20 Design Patents
#101 in Taichung
#1,474 in Taiwan
#46,687 in the World
rank by utility patentsForward Citations = 178
Company Filing History:
Other
Sheen World Technology Corporation
Sintai Optical (shenzhen) Co., Ltd.
4. 6 out of 485
Asia Optical Co., Ltd.
5. 3 out of 9,130

where one patent can have more than one assignee
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