Painted Post, New York
United States
14
2022-02-17
The entities that hold a legal rights for patent applications filed by inventor Du Guanglei:
Guanglei Du from Painted Post, US has applied for patents for these inventions. The list has both pending applications and granted patents:
SPECTRALLY SELECTIVE LIGHT CONTROL FILM
#2 | 2021-03-18Optical camouflage filter
#3 | 2020-11-05Visibly transparent, infrared radiation retroreflective articles
#4 | 2020-10-29LIGHT DIRECTING ARTICLE WITH A CONFORMAL RETARDER
#5 | 2020-09-17Optical films and systems including the same
#6 | 2020-08-20OPTICAL ARTICLES AND SYSTEMS INCLUDING THE SAME
#7 | 2020-01-02Retroreflecting article including retarder
#8 | 2019-12-19Optical device switchable diffuser
#9 | 2019-12-12Optical filters complementary angular blocking regions
#10 | 2019-11-14Spectrally selective light control film
#11 | 2019-11-07Angularly and spectrally selective detector and light source systems
#12 | 2019-09-26Device optical window camouflage
#13 | 2019-08-29Spectrally selective retroreflective system
#14 | 2019-05-09Optical filter
2495614 ⎘