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USPTO Patent Rankings Data through Sept 30, 2025
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Chao-Fu Chiang — 2 Patents

UEU&U Engineering: 2 patents #7 of 23Top 35%
Overall (All Time): #1,964,207 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10082566 Parking space status sensing system and method Chi-Ho Chang, Meng-Xi Wu, Houng-Ti Chiang, Guo-Zhong Lu, Jing-Chung Xu +1 more 2018-09-25
9678196 Sensor for detecting parking lot Chi-Ho Chang, Chien-Pien Hsieh, Ping-Chang Tsao 2017-06-13