Inventor
SANG YIJUN
US25 patents
⚠️ This page may combine multiple inventors who share the name “SANG YIJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED STATES GYPSUM CO
22 patentsUS9540810B2Jan 10, 2017
Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
UNITED STATES GYPSUM CO19 citations92
US10421250B2Sep 24, 2019
Composite gypsum board and methods related thereto
UNITED STATES GYPSUM CO12 citations90
US10919808B2Feb 16, 2021
Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
UNITED STATES GYPSUM CO12 citations84
US10399899B2Sep 3, 2019
Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
UNITED STATES GYPSUM CO13 citations84
US9828441B2Nov 28, 2017
Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products
UNITED STATES GYPSUM CO13 citations84
US10421251B2Sep 24, 2019
Composite gypsum board and methods related thereto
UNITED STATES GYPSUM CO9 citations82
US10737979B2Aug 11, 2020
Gypsum set accelerator and method of preparing same
UNITED STATES GYPSUM CO2 citations73
US10464847B2Nov 5, 2019
Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
UNITED STATES GYPSUM CO4 citations72
US11773020B2Oct 3, 2023
Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
UNITED STATES GYPSUM CO2 citations71
US11040513B2Jun 22, 2021
Composite gypsum board and methods related thereto
UNITED STATES GYPSUM CO2 citations71
US11008257B2May 18, 2021
Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
UNITED STATES GYPSUM CO3 citations71
US10053860B2Aug 21, 2018
Gypsum wallboard with reinforcing mesh
UNITED STATES GYPSUM CO2 citations70
US11168030B2Nov 9, 2021
Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
UNITED STATES GYPSUM CO0 citations62
US11135818B2Oct 5, 2021
Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
UNITED STATES GYPSUM CO1 citations62
US10875935B2Dec 29, 2020
Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products
UNITED STATES GYPSUM CO1 citations62
US12371374B2Jul 29, 2025
Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
UNITED STATES GYPSUM CO0 citations61
US11787739B2Oct 17, 2023
Flour binder for gypsum board, and related methods, product, and slurries
UNITED STATES GYPSUM CO0 citations61
US12090744B2Sep 17, 2024
Composite gypsum board and methods related thereto
UNITED STATES GYPSUM CO0 citations60
US10781139B2Sep 22, 2020
Joint compound with sulfonated starch
UNITED STATES GYPSUM CO1 citations59
US11002010B2May 11, 2021
Methods for making high sound transmission class gypsum boards and gypsum boards made by the method
UNITED STATES GYPSUM CO1 citations57
US11834374B2Dec 5, 2023
Accelerator comprising starch, and related board, slurries, and methods
UNITED STATES GYPSUM CO0 citations56
US11046053B2Jun 29, 2021
Composite gypsum board and related methods
UNITED STATES GYPSUM CO0 citations50
KNAUF GIPS KG
3 patentsUS12304871B2May 20, 2025
Open-celled gypsum core, gypsum acoustic panel, and method for making same
KNAUF GIPS KG0 citations59
US12558811B2Feb 24, 2026
Method and apparatus for making a gypsum board
KNAUF GIPS KG0 citations45
US12415765B2Sep 16, 2025
Board with fiber-reinforced dense layer
KNAUF GIPS KG0 citations41