Inventor
TSAI CHIA-CHEN
TW16 patents
⚠️ This page may combine multiple inventors who share the name “TSAI CHIA-CHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EPISTAR CORP
10 patentsUS9768227B2Sep 19, 2017
Light-emitting element having a plurality of light-emitting structures
EPISTAR CORP8 citations81
US10134947B2Nov 20, 2018
Light emitting device and method of fabricating the same
EPISTAR CORP2 citations71
US11862751B2Jan 2, 2024
Light-emitting diode testing circuit, light-emitting diode testing method and manufacturing method
EPISTAR CORP3 citations68
US10930701B2Feb 23, 2021
Light-emitting element having a plurality of light-emitting structures
EPISTAR CORP1 citations59
US12288831B2Apr 29, 2025
Light-emitting diode testing circuit, light-emitting diode testing method and light-emitting diode manufacturing method
EPISTAR CORP0 citations56
US9887320B2Feb 6, 2018
Light-emitting diode device
EPISTAR CORP0 citations51
US9502615B2Nov 22, 2016
Light-emitting diode device
EPISTAR CORP1 citations51
US10418513B2Sep 17, 2019
Compound semiconductor device and method of fabricating the same
EPISTAR CORP0 citations50
US9893231B2Feb 13, 2018
Light emitting device and method of fabricating the same
EPISTAR CORP0 citations50
US10319780B2Jun 11, 2019
Light-emitting element having a plurality of light-emitting structures
EPISTAR CORP0 citations49
UNITED MICROELECTRONICS CORP
4 patentsUS9634002B1Apr 25, 2017
Semiconductor device and method of manufacturing the same
UNITED MICROELECTRONICS CORP7 citations82
US9779998B2Oct 3, 2017
Semiconductor device and method of manufacturing the same
UNITED MICROELECTRONICS CORP2 citations71
US12237350B2Feb 25, 2025
NMOS structure and manufacturing method thereof
UNITED MICROELECTRONICS CORP0 citations41
US10607891B2Mar 31, 2020
Manufacturing method of semiconductor device
UNITED MICROELECTRONICS CORP0 citations32