Inventor
HUANG CHAO-HSING
TW21 patents
⚠️ This page may combine multiple inventors who share the name “HUANG CHAO-HSING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VISUAL PHOTONICS EPITAXY CO LTD
17 patentsUS10651298B2May 12, 2020
Heterojunction bipolar transistor structure with a bandgap graded hole barrier layer
VISUAL PHOTONICS EPITAXY CO LTD2 citations70
US8994069B2Mar 31, 2015
BiHEMT device having a stacked separating layer
VISUAL PHOTONICS EPITAXY CO LTD2 citations61
US12295152B2May 6, 2025
High ruggedness heterojunction bipolar transistor (HBT)
VISUAL PHOTONICS EPITAXY CO LTD0 citations60
US11929427B2Mar 12, 2024
High ruggedness heterojunction bipolar transistor (HBT)
VISUAL PHOTONICS EPITAXY CO LTD0 citations60
US12532567B2Jan 20, 2026
Semiconductor component having defect barrier region
VISUAL PHOTONICS EPITAXY CO LTD0 citations59
US11799011B2Oct 24, 2023
Semiconductor epitaxial wafer
VISUAL PHOTONICS EPITAXY CO LTD0 citations59
US11862938B2Jan 2, 2024
Semiconductor laser diode
VISUAL PHOTONICS EPITAXY CO LTD1 citations55
US9130027B2Sep 8, 2015
High electron mobility bipolar transistor
VISUAL PHOTONICS EPITAXY CO LTD0 citations50
US12316076B2May 27, 2025
Vertical cavity surface emitting laser diode (VCSEL) with tunnel junction
VISUAL PHOTONICS EPITAXY CO LTD0 citations49
US11721954B2Aug 8, 2023
Vertical cavity surface emitting laser diode (VCSEL) having AlGaAsP layer with compressive strain
VISUAL PHOTONICS EPITAXY CO LTD0 citations49
US11482830B2Oct 25, 2022
Measurement method of reflection spectrum of vertical cavity surface emitting laser diode (VCSEL) and epitaxial wafer test fixture
VISUAL PHOTONICS EPITAXY CO LTD0 citations49
US11158995B2Oct 26, 2021
Laser diode with defect blocking layer
VISUAL PHOTONICS EPITAXY CO LTD0 citations49
US11133405B2Sep 28, 2021
High ruggedness heterojunction bipolar transistor
VISUAL PHOTONICS EPITAXY CO LTD0 citations49
US11049936B2Jun 29, 2021
High ruggedness heterojunction bipolar transistor structure
VISUAL PHOTONICS EPITAXY CO LTD0 citations49
US9853136B2Dec 26, 2017
Directed epitaxial heterojunction bipolar transistor
VISUAL PHOTONICS EPITAXY CO LTD0 citations49
US12424824B2Sep 23, 2025
Vertical-cavity surface-emitting semiconductor laser diode with the mode filter
VISUAL PHOTONICS EPITAXY CO LTD0 citations41
US10818781B2Oct 27, 2020
Heterojunction bipolar transistor structure with a bandgap graded hole barrier layer
VISUAL PHOTONICS EPITAXY CO LTD0 citations38
VISUAL PHOTONICS EPITAXY CO LT
3 patentsUS7573080B1Aug 11, 2009
Transient suppression semiconductor device
VISUAL PHOTONICS EPITAXY CO LT4 citations61
US7385236B2Jun 10, 2008
BiFET semiconductor device having vertically integrated FET and HBT
VISUAL PHOTONICS EPITAXY CO LT5 citations61
US7224005B2May 29, 2007
Heterojunction bipolar transistor structure
VISUAL PHOTONICS EPITAXY CO LT0 citations45