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USPTO Patent Rankings Data through Sept 30, 2025
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Liu Chia-Cheng — 2 Patents

EPEpistar: 2 patents #394 of 732Top 55%
Baoshan, TW: #1,565 of 3,661 inventorsTop 45%
Overall (All Time): #2,221,369 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6169294 Inverted light emitting diode Lee Biing-Jye, Jou Ming-Jiunn, Jacob C. Tarn, Chuan-Ming Chang 2001-01-02
6078064 Indium gallium nitride light emitting diode Jou Ming-Jiunn, Lee Biing-Jye, Jacob C. Tarn, Chang Chuan-Ming 2000-06-20