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Companies
Inventors
CC
Cheong Yip Chan
DL
Defond Componets Limited
: 1 patents #21 of 50
Top 45%
DC
Defond Electech Co.
: 1 patents #15 of 33
Top 50%
Overall (All Time):
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1
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Patent #
Title
Co-Inventors
Date
11112817
Control stick
Ka Him Leung
,
Cheng Chen Nieh
2021-09-07
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