Inventor

Zheng-Yun James Zhan

Inventor
Shanghai, CN

Overview

11→
Patents
1994–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
C07DHeterocyclic compounds13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C07CAcyclic or carbocyclic compounds10%
C07KPeptides8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
Y02ATechnologies for adaptation to climate change5%
C08CTreatment or chemical modification of rubbers3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to SCHERING CORP (1)· patent assignee history
1994Based in Hillside, NJ, US· patent location history
2009–2017Patents assigned to ZHAN ZHENG-YUN JAMES (9)· patent assignee history
2009–2015Based in Shanghai, CN· patent location history
2011–2014Patents assigned to ZANNAN SCITECH CO LTD (4)· patent assignee history
2014–2016Patents assigned to PHARMA LTD AB (4)· patent assignee history
2016–2017Based in Minhan, CN· patent location history
2017Patents assigned to AB PHARMA LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZHAN ZHENG-YUN JAMESself92009–2017
PHARMA LTD AB42014–2016
ZANNAN SCITECH CO LTD42011–2014
AB PHARMA LTD12017
SCHERING CORP11994
Locations
LocationPatentsSpan
Shanghai, CN82009–2015
Minhan, CN22016–2017
Hillside, New Jersey, US11994