Inventor
LARS LIETZAU
Inventor
DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere38%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein24%
C07CAcyclic or carbocyclic compounds14%
C07DHeterocyclic compounds10%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
C23CCoating metallic material5%
G02BOptical elements, systems or apparatus5%
PatentTitleYear
12,428,439Lanthanide and lanthanide-like transition metal complexes202511,939,511Liquid crystal mixture and liquid crystal display202411,905,450Liquid crystal mixture and liquid crystal display202411,884,862Liquid-crystalline medium202411,542,433Liquid crystal compounds202311,370,969Liquid-crystal medium202211,352,560Liquid crystal mixture and liquid crystal display202211,312,907Liquid crystal mixture and liquid crystal display202211,236,063Dibenzofuran derivatives and dibenzothiophene derivatives2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to MERCK PATENT GMBH (9)· patent assignee history
2022–2025Based in DE· patent location history
2025Patents assigned to VERSUM MAT US LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MERCK PATENT GMBH | 9 | 2022–2025 |
| VERSUM MAT US LLC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| DE | 9 | 2022–2025 |