Inventor

Dai Cheng

Inventor
San Diego, CA, US

Overview

10→
Patents
2011–2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 10 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations33%
C07DHeterocyclic compounds33%
A61KPreparations for medical, dental or toiletry purposes30%
C07CAcyclic or carbocyclic compounds3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2013Patents assigned to IRM LLC (5)· patent assignee history
2011–2019Based in San Diego, CA, US· patent location history
2012–2016Patents assigned to CHENG DAI (8)· patent assignee history
2012–2016Patents assigned to PAN SHIFENG (7)· patent assignee history
2012–2016Patents assigned to GAO WENQI (6)· patent assignee history
2012–2016Patents assigned to HAN DONG (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHENG DAIself82012–2016
PAN SHIFENG72012–2016
GAO WENQI62012–2016
HAN DONG62012–2016
IRM LLC52011–2013
Locations
LocationPatentsSpan
San Diego, California, US102011–2019