P

Inventor

Chen kai yu

TW9 patents
⚠️ This page may combine multiple inventors who share the name “Chen kai yu”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VISUAL PHOTONICS EPITAXY CO LTD

6 patents
US10651298B2May 12, 2020

Heterojunction bipolar transistor structure with a bandgap graded hole barrier layer

VISUAL PHOTONICS EPITAXY CO LTD2 citations70
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
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
US10818781B2Oct 27, 2020

Heterojunction bipolar transistor structure with a bandgap graded hole barrier layer

VISUAL PHOTONICS EPITAXY CO LTD0 citations38

IND TECH RES INST

1 patent
US8766279B1Jul 1, 2014

SiC-based trench-type schottky device

IND TECH RES INST15 citations82

CHUANG CHIAO-SHUN

1 patent
US8912621B1Dec 16, 2014

Trench schottky devices

CHUANG CHIAO-SHUN10 citations79

MSTAR SEMICONDUCTOR INC

1 patent
US9900544B2Feb 20, 2018

Video signal processing system, video signal processing chip and video signal processing method

MSTAR SEMICONDUCTOR INC0 citations38