Inventor
Yijun Sang
Inventor
Oak Park, IL, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia20%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
E04BGeneral building constructions13%
E04CStructural elements13%
B28BShaping clay or other ceramic compositions7%
B43KImplements for writing or drawing7%
C08BPolysaccharides7%
C08LCompositions of macromolecular compounds7%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
G10KSound-producing devices7%
PatentTitleYear
11,008,257Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto202111,002,010Methods for making high sound transmission class gypsum boards and gypsum boards made by the method202110,919,808Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto20219,765,229'Ink composition and a writing instrument'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017Patents assigned to SHANGHAI NNW NEW MAT TECH CO LTD (1)· patent assignee history
2017Based in Shanghai, CN· patent location history
2021Patents assigned to UNITED STATES GYPSUM CO (3)· patent assignee history
2021Based in Oak Park, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITED STATES GYPSUM CO | 3 | 2021 |
| SHANGHAI NNW NEW MAT TECH CO LTD | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oak Park, Illinois, US | 3 | 2021 |
| Shanghai, CN | 1 | 2017 |