Inventor
Zhaohui Yang
Inventor
North Oaks, MN, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
B29DProducing particular articles from plastics or from substances in a plastic state7%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts7%
B29LIndexing scheme associated with subclass b29c, relating to particular articles7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
C07DHeterocyclic compounds7%
C09JAdhesives7%
C23CCoating metallic material7%
G02BOptical elements, systems or apparatus7%
PatentTitleYear
11,127,924Display devices containing polymeric films202111,099,312Single packet reflective polarizer with thickness profile tailored for low color at oblique angles202111,032,915Single-layer circuit board, multi-layer circuit board, and manufacturing methods therefor20218,399,511'Two types of crystalline of pinocembrin, their preparation and their use for manufacture of pharmaceutical compositions'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013Patents assigned to CHANG YING (1)· patent assignee history
2013Patents assigned to CSPC ZHONGQI PHARMACEUTICAL TECHNOLOGY SHIJIAZHUANG CO LTD (1)· patent assignee history
2013Patents assigned to DU GUANHUA (1)· patent assignee history
2013Patents assigned to GAO MEI (1)· patent assignee history
2013Based in Beijing, CN· patent location history
2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (2)· patent assignee history
2021Based in North Oaks, MN, US· patent location history
2021Based in Zhuhai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 2 | 2021 |
| CHANG YING | 1 | 2013 |
| CSPC ZHONGQI PHARMACEUTICAL TECHNOLOGY SHIJIAZHUANG CO LTD | 1 | 2013 |
| DU GUANHUA | 1 | 2013 |
| GAO MEI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| North Oaks, Minnesota, US | 2 | 2021 |
| Zhuhai, CN | 1 | 2021 |
| Beijing, CN | 1 | 2013 |