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Dongchang Yu
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San Jose, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Adaptive antenna tuning system for improving cellular call receptio...
Patent number
11,218,181
Issue date
Jan 4, 2022
Apple, Inc.
Dongchang Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Adaptive Antenna Tuning System for Improving Cellular Call Receptio...
Publication number
20190296789
Publication date
Sep 26, 2019
Apple Inc.
Dongchang Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE