27 Utility and 2 Design Patents
#107 in Taoyuan
#3,092 in Taiwan
#108,748 in the World
rank by utility patentsForward Citations = 559
Company Filing History:
Other
Jao-hsing Tsai
Tri-handling Ltd.
4. 1 out of 1
Sam Tsai
5. 1 out of 2
Chen Chang Co., Ltd.
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