Inventor
DOU SHICHEN
US13 patents
⚠️ This page may combine multiple inventors who share the name “DOU SHICHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TORAY PLASTICS AMERICA INC
6 patentsUS11370204B2Jun 28, 2022
Oriented polypropylene film with improved blocking resistance
TORAY PLASTICS AMERICA INC0 citations61
US11370205B2Jun 28, 2022
Oriented polypropylene film with improved blocking resistance
TORAY PLASTICS AMERICA INC0 citations61
US11338561B2May 24, 2022
Oriented polypropylene film with improved blocking resistance
TORAY PLASTICS AMERICA INC0 citations61
US11198279B2Dec 14, 2021
Oriented polypropylene film with improved blocking resistance
TORAY PLASTICS AMERICA INC0 citations61
US10357913B2Jul 23, 2019
Transparent oriented polypropylene film with high moisture vapor and oxygen barrier properties
TORAY PLASTICS AMERICA INC1 citations61
US12103281B2Oct 1, 2024
Biaxially oriented compostable composite film
TORAY PLASTICS AMERICA INC0 citations49
DOU SHICHEN
4 patentsUS9150004B2Oct 6, 2015
Biaxially oriented polylactic acid film with improved heat seal properties
DOU SHICHEN4 citations71
US9492962B2Nov 15, 2016
Biaxially oriented polylactic acid film with reduced noise level and improved moisture barrier
DOU SHICHEN4 citations70
US9238324B2Jan 19, 2016
Biaxially oriented polylactic acid film with reduced noise level
DOU SHICHEN4 citations70
US9221213B2Dec 29, 2015
Multi-layer high moisture barrier polylactic acid film
DOU SHICHEN1 citations46