Inventor

Cheng-Jun Duan

Inventor
Bad Salzungen, DE

Overview

5→
Patents
2012–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 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 elsewhere31%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications15%
B82YSpecific uses or applications of nanostructures8%
C01GCompounds containing metals not covered by subclasses c01d or c01f8%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds8%
F21VFunctional features or details of lighting devices or systems thereof8%
H10HInorganic light-emitting semiconductor devices having potential barriers8%
LOC158%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2014Patents assigned to DUAN CHENG-JUN (4)· patent assignee history
2012–2014Patents assigned to LEUCHTSTOFFWERK BREITUNGEN (4)· patent assignee history
2012–2013Patents assigned to ROESLER SYLKE (2)· patent assignee history
2012–2013Patents assigned to STARICK DETLEF (2)· patent assignee history
2012Based in Bad Duerkheim, DE· patent location history
2013–2014Patents assigned to ROESLER SVEN (2)· patent assignee history
2013–2014Based in Bad Salzungen, DE· patent location history
2014Based in Anhui, CN· patent location history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DUAN CHENG-JUNself42012–2014
LEUCHTSTOFFWERK BREITUNGEN42012–2014
ROESLER SVEN22013–2014
ROESLER SYLKE22012–2013
STARICK DETLEF22012–2013
Locations
LocationPatentsSpan
Bad Salzungen, DE22013–2014
Beijing, CN12021
Anhui, CN12014
Bad Duerkheim, DE12012