Inventor
CHENG KAI-JU
TW15 patents
⚠️ This page may combine multiple inventors who share the name “CHENG KAI-JU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUANTA COMP INC
14 patentsUS10740916B2Aug 11, 2020
Method and device for improving efficiency of reconstructing three-dimensional model
QUANTA COMP INC2 citations71
US11471034B2Oct 18, 2022
Method and device for distinguishing plaque and calculus
QUANTA COMP INC3 citations68
US9042567B2May 26, 2015
Acoustic echo cancellation system
QUANTA COMP INC3 citations60
US12343231B2Jul 1, 2025
Device and method for distinguishing dental plaque from dental calculus
QUANTA COMP INC0 citations58
US12029622B2Jul 9, 2024
Oral-area positioning device and method
QUANTA COMP INC0 citations49
US10791935B2Oct 6, 2020
Method and device for dynamically adjusting fluorescent imaging
QUANTA COMP INC0 citations49
US11907340B2Feb 20, 2024
Image positioning device and method
QUANTA COMP INC0 citations48
US11037317B2Jun 15, 2021
Tooth-position recognition system
QUANTA COMP INC0 citations47
US9288180B2Mar 15, 2016
Communication system and method
QUANTA COMP INC1 citations47
US9438857B2Sep 6, 2016
Video conferencing system and multi-way video conference switching method
QUANTA COMP INC1 citations46
US12356521B2Jul 8, 2025
Brightness control device and brightness control method
QUANTA COMP INC0 citations45
US10440217B2Oct 8, 2019
Apparatus and method for processing three dimensional image
QUANTA COMP INC0 citations45
US10799120B2Oct 13, 2020
Image processing method and device for fluorescence reaction region of teeth
QUANTA COMP INC0 citations38
US10779735B2Sep 22, 2020
Image-processing methods for marking plaque fluorescent reaction area and systems therefor
QUANTA COMP INC0 citations38