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Chien-Feng Chang

OT Opto Tech: 3 patents #1 of 13Top 8%
Overall (2018): #80,817 of 503,207Top 20%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10094970 Light-emitting apparatus Tsung-Huai Lee, Ying-Chieh Peng, Ying-Jen Lai 2018-10-09
10073212 Lamp structure Tsung-Huai Lee, Ying-Jen Lai, Wei-Chih Lin 2018-09-11
D811002 Light fixture Tsung-Huai Lee, Ying-Jen Lai, Wei-Chih Lin 2018-02-20