Inventor

Pingsheng Zhang

Inventor
Florence, SC, US

Overview

8→
Patents
1999–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C07Dprimary
C07DHeterocyclic compounds33%
C07CAcyclic or carbocyclic compounds20%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
C07BGeneral methods of organic chemistry7%
C07HSugars7%
Y02PClimate change mitigation technologies in the production or processing of goods7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Based in Millbrae, CA, US· patent location history
2006–2016Patents assigned to HOFFMANN LA ROCHE (6)· patent assignee history
2006–2020Based in Florence, SC, US· patent location history
2009–2020Patents assigned to EMISPHERE TECH INC (2)· patent assignee history
2012–2020Patents assigned to ZHANG PINGSHENG (2)· patent assignee history
2020Patents assigned to BAY WILLIAM ELLIOT (1)· patent assignee history
2020Patents assigned to BERNADINO JOSEPH NORMAN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOFFMANN LA ROCHE62006–2016
EMISPHERE TECH INC22009–2020
ZHANG PINGSHENGself22012–2020
BAY WILLIAM ELLIOT12020
BERNADINO JOSEPH NORMAN12020
Locations
LocationPatentsSpan
Florence, SC, US72006–2020
Millbrae, California, US11999