P

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 patents
US10651298B2May 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 patents

ADVANCED ANALOG TECHNOLOGY INC

1 patent