Inventor
Jann Schmidt
Inventor
Weiterstadt, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus28%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them16%
C08LCompositions of macromolecular compounds8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
Y10TTechnical subjects covered by former us classification8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B05DProcesses for applying fluent materials to surfaces, in general4%
B29CShaping or joining of plastics4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C02FTreatment of water, waste water, sewage, or sludge4%
PatentTitleYear
10,466,406Light guide plate and method for the production thereof201910,007,048Light guide body having high luminous intensity and high transparency20189,201,186'Light guide plate having embedded impurities and method for the production thereof'20158,993,093'Coated sheet-like plastic material with reduced tendency to colonization by algae, process for the in-line production thereof and use'20157,629,041'Diffuser disk for LCD applications, method for the production and use thereof'20097,602,550'Stable rear projection screen and method for the production thereof'20097,339,732'Scratch-resistant rear projection screen and method for producing the same'20087,064,894'Rear projection screen and method for the production thereof'20067,046,903'Light-guide body and process for its production'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2009Patents assigned to ROEHM GMBH (4)· patent assignee history
2006Based in Darmstadt, DE· patent location history
2008–2009Based in Rockaway, NJ, US· patent location history
2009–2019Patents assigned to EVONIK ROEHM GMBH (5)· patent assignee history
2015–2019Patents assigned to SCHMIDT JANN (4)· patent assignee history
2015–2018Patents assigned to ROTH CHRISTIAN (2)· patent assignee history
2015–2019Based in Weiterstadt, DE· patent location history
2018Patents assigned to BAUM ALEXANDER (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EVONIK ROEHM GMBH | 5 | 2009–2019 |
| ROEHM GMBH | 4 | 2006–2009 |
| SCHMIDT JANNself | 4 | 2015–2019 |
| ROTH CHRISTIAN | 2 | 2015–2018 |
| BAUM ALEXANDER | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Weiterstadt, DE | 4 | 2015–2019 |
| Rockaway, New Jersey, US | 3 | 2008–2009 |
| Darmstadt, DE | 2 | 2006 |