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USPTO Patent Rankings Data through Sept 30, 2025
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Chen-Ming Chang — 2 Patents in 2018

PEPrimax Electronics: 2 patents #15 of 55Top 30%
Overall (2018): #161,005 of 503,207Top 35%
2 Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10165611 Bluetooth pairing system and operating method thereof Chih-Feng Chien, Chia-Shyang Hsu, Wen-Shih Lee 2018-12-25
10083808 Luminous keyboard with gaming function Shi-Jie Zhang, Che-Yen Huang, Yi-Te Chou, Chung-Yuan Chen 2018-09-25