Inventor
HONGMEI ZANG
Inventor
US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein32%
G02BOptical elements, systems or apparatus13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
H10NElectric solid-state devices not otherwise provided for8%
A61KPreparations for medical, dental or toiletry purposes5%
A61LMethods or apparatus for sterilising materials or objects in general5%
A61NElectrotherapy5%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
A45DHairdressing or shaving equipment3%
A61MDevices for introducing media into, or onto, the body3%
PatentTitleYear
12,560,836Switchable light-collimating layer with improved transmittance202612,514,949Benefit agent delivery system utilizing an electric field202612,415,070Benefit agent delivery system comprising reverse micelles202512,298,645Piezo electrophoretic display202511,892,740Piezo electrophoretic display202411,719,953Switchable light-collimating layer with reflector202311,656,526Switchable light-collimating layer including bistable electrophoretic fluid202311,543,725Flexible controlled-release film202311,493,821Piezo electrophoretic display202211,397,366Switchable light-collimating layer including bistable electrophoretic fluid202211,372,305Anisotropic conductive dielectric layer for electrophoretic display202211,314,098Switchable light-collimating layer with reflector202211,217,145Driving methods to produce a mixed color state for an electrophoretic display202211,181,799Piezo electrophoretic display2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2023Patents assigned to E INK CALIFORNIA LLC (9)· patent assignee history
2021–2026Based in US· patent location history
2024–2026Patents assigned to E INK CORP (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| E INK CALIFORNIA LLC | 9 | 2021–2023 |
| E INK CORP | 5 | 2024–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 14 | 2021–2026 |