Inventor
Keren ZHANG
Inventor
US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
C09DCoating compositions, e.g. paints, varnishes or lacquers16%
G02BOptical elements, systems or apparatus12%
C07CAcyclic or carbocyclic compounds8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08LCompositions of macromolecular compounds8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
B05DProcesses for applying fluent materials to surfaces, in general4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
PatentTitleYear
12,411,409Aromatic underlayer202512,392,940Coating composition and planarization of high refractive index overcoat on gratings202512,379,660Adhesion promoting photoresist underlayer composition202512,345,887Techniques for controlling overburden planarization202512,099,300Aromatic underlayer202412,085,744Superconformal recessed feature fill sol-gels202411,940,732Coating compositions and methods of forming electronic devices202411,175,581Aromatic resins for underlayers2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to ROHM & HAAS ELECT MAT (5)· patent assignee history
2021–2025Based in US· patent location history
2024–2025Patents assigned to META PLATFORMS TECH LLC (3)· patent assignee history
2025Patents assigned to DUPONT ELECTRONIC MAT INTERNATIONAL LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM & HAAS ELECT MAT | 5 | 2021–2025 |
| META PLATFORMS TECH LLC | 3 | 2024–2025 |
| DUPONT ELECTRONIC MAT INTERNATIONAL LLC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 8 | 2021–2025 |