Inventor
HUANG WENCHANG
CN18 patents
⚠️ This page may combine multiple inventors who share the name “HUANG WENCHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XIAMEN ECO LIGHTING CO LTD
6 patentsUS9967943B1May 8, 2018
Lighting apparatus
XIAMEN ECO LIGHTING CO LTD28 citations92
US11002444B2May 11, 2021
Light bulb apparatus with heat dissipation and isolation
XIAMEN ECO LIGHTING CO LTD0 citations51
US10609779B2Mar 31, 2020
LED circuit with color temperature adjustment
XIAMEN ECO LIGHTING CO LTD0 citations50
US10206261B2Feb 12, 2019
LED circuit with color temperature adjustment
XIAMEN ECO LIGHTING CO LTD0 citations50
US11419192B2Aug 16, 2022
Lighting apparatus
XIAMEN ECO LIGHTING CO LTD0 citations46
US10492272B2Nov 26, 2019
LED sensing light driving circuit
XIAMEN ECO LIGHTING CO LTD0 citations40
QUALCOMM INC
5 patentsUS9419639B1Aug 16, 2016
Low distortion sample and hold switch
QUALCOMM INC8 citations79
US9558845B2Jan 31, 2017
Sampling network and clocking scheme for a switched-capacitor integrator
QUALCOMM INC2 citations71
US9391569B2Jul 12, 2016
Multi-stage switched-capacitor DC blocking circuit for audio frontend
QUALCOMM INC3 citations71
US9438192B2Sep 6, 2016
Capacitive programmable gain amplifier
QUALCOMM INC0 citations51
US9225294B2Dec 29, 2015
Amplifier with improved noise reduction
QUALCOMM INC0 citations51
TOBACCO RES INSTITUTE OF HUBEI PROVINCE
3 patentsUS12520781B1Jan 13, 2026
Application method of medium and trace nutrient elements for wrapper hydroponic system
TOBACCO RES INSTITUTE OF HUBEI PROVINCE0 citations43
US12356900B1Jul 15, 2025
Supplemental lighting method for vertical multi-layer cultivation of wrapper tobacco leaves
TOBACCO RES INSTITUTE OF HUBEI PROVINCE0 citations43
US12532908B2Jan 27, 2026
High-yield integrated production method for cigar wrappers
TOBACCO RES INSTITUTE OF HUBEI PROVINCE0 citations42