Inventor
LAI CHOUNG-HOUNG
US20 patents
⚠️ This page may combine multiple inventors who share the name “LAI CHOUNG-HOUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CERTAINTEED LLC
5 patentsUS12492556B2Dec 9, 2025
Roofing shingles, tiles and shakes
CERTAINTEED LLC1 citations73
US11326348B2May 10, 2022
Roofing shingles, tiles and shakes
CERTAINTEED LLC1 citations71
US12168874B2Dec 17, 2024
Roofing membranes comprising pressure-sensitive adhesives and methods of using same
CERTAINTEED LLC0 citations56
US11773203B2Oct 3, 2023
Expanding polyurethane foam and methods and systems for using same
CERTAINTEED LLC0 citations48
US11254817B2Feb 22, 2022
Polyurethane composite material, article comprising the material and method of manufacture
CERTAINTEED LLC0 citations41
CERTAINTEED GYPSUM INC
5 patentsUS12060709B2Aug 13, 2024
Plasterboards and methods for making them
CERTAINTEED GYPSUM INC0 citations58
US11619044B2Apr 4, 2023
Plasterboards and methods for making them
CERTAINTEED GYPSUM INC1 citations58
US11414864B2Aug 16, 2022
Plasterboards and methods for making them
CERTAINTEED GYPSUM INC1 citations58
US10857770B2Dec 8, 2020
Building board and method of forming the building board
CERTAINTEED GYPSUM INC0 citations48
US9656876B1May 23, 2017
Method for reducing elemental sulfur in gypsum products
CERTAINTEED GYPSUM INC1 citations45
ROHM & HAAS
4 patentsUS5409967AApr 25, 1995
Amorphous, aromatic polyester containing impact modifier
ROHM & HAAS76 citations95
US5321056AJun 14, 1994
Amorphous, aromatic polyester containing impact modifier
ROHM & HAAS58 citations95
US5322663AJun 21, 1994
Moldable crystalline polyester composition
ROHM & HAAS28 citations89
US5654365AAug 5, 1997
Styrenic polymer composition
ROHM & HAAS16 citations67