Inventor

Helming Tan

Inventor
Thousand Oaks, CA, US

Overview

4→
Patents
1995–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes21%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%
C07BGeneral methods of organic chemistry14%
C07CAcyclic or carbocyclic compounds14%
C07DHeterocyclic compounds14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C01BNon-metallic elements7%
Y02PClimate change mitigation technologies in the production or processing of goods7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to CENTAUR PHARMACEUTICALS INC (1)· patent assignee history
1995Based in Sunnyvale, CA, US· patent location history
2018–2019Patents assigned to AMGEN INC (2)· patent assignee history
2018–2019Based in Thousand Oaks, CA, US· patent location history
2021Patents assigned to FUJIAN INST RES STR MATTER CAS (1)· patent assignee history
2021Patents assigned to FUJIAN INSTITUTE OF RES ON THE STRUCTURE OF MATTER CHINESE ACADEMY OF SCIENCE (1)· patent assignee history
2021Based in Fujian, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMGEN INC22018–2019
CENTAUR PHARMACEUTICALS INC11995
FUJIAN INST RES STR MATTER CAS12021
FUJIAN INSTITUTE OF RES ON THE STRUCTURE OF MATTER CHINESE ACADEMY OF SCIENCE12021
Locations
LocationPatentsSpan
Thousand Oaks, California, US22018–2019
Fujian, CN12021
Sunnyvale, California, US11995