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Inventor

Roland Janzen

Inventor
Hockessin, DE, US

Overview

7→
Patents
2004–2019
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties29%
A61KPreparations for medical, dental or toiletry purposes12%
B82YSpecific uses or applications of nanostructures12%
C07CAcyclic or carbocyclic compounds12%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium12%
H01JElectric discharge tubes or discharge lamps12%
Y10TTechnical subjects covered by former us classification12%
PatentTitleYear
10,203,344Compositions and methods for detecting vitamin D20199,720,004'Immunoassays employing non-particulate chemiluminescent reagent'20179,347,947'Immunoassays employing non-particulate chemiluminescent reagent'20169,244,083'Compositions and methods for detecting vitamin D'20168,723,134'Electrostatic corrector'20148,252,605'Method and composition for stabilizing liquid reagents'20126,774,372'Electron-optical lens arrangement with an axis that can be largely displaced'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to CEOS GMBH (1)· patent assignee history
2004Based in Darmstadt, DE· patent location history
2012–2016Patents assigned to JANZEN ROLAND (4)· patent assignee history
2012–2016Patents assigned to SIEMENS HEALTHCARE DIAGNOSTICS (3)· patent assignee history
2012–2016Based in Landenberg, PA, US· patent location history
2014Based in Zwingenberg, DE· patent location history
2016Patents assigned to DRINAN MARTIN A (1)· patent assignee history
2016–2019Based in Hockessin, DE, US· patent location history
2017–2019Patents assigned to SIEMENS HEALTHCARE DIAGNOSTICS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JANZEN ROLANDself42012–2016
SIEMENS HEALTHCARE DIAGNOSTICS32012–2016
SIEMENS HEALTHCARE DIAGNOSTICS INC22017–2019
CEOS GMBH12004
DRINAN MARTIN A12016
Locations
LocationPatentsSpan
Hockessin, Delaware, US32016–2019
Landenberg, Pennsylvania, US22012–2016
Zwingenberg, DE12014
Darmstadt, DE12004