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USPTO Patent Rankings Data through Sept 30, 2025
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Tzer-Perng Chen — 2 Patents in 2021

EPEpistar: 2 patents #21 of 172Top 15%
KCKaistar Lighting(Xiamen) Co.: 1 patents #1 of 21Top 5%
Overall (2021): #102,523 of 548,734Top 20%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10978615 Plurality of light emitting devices having opaque insulating layer between them Min-Hsun Hsieh, Jen-Chau Wu, Yuh-Ren Shieh, Chuan-Cheng Tu 2021-04-13
10910528 LED assembly Tzu-Chi Cheng 2021-02-02