Inventor

Liyun Liu

Inventor
Huizhou, CN

Overview

2→
Patents
2013–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
H01QAntennas, i.e. radio aerials17%
H04BTransmission17%
H04MTelephonic communication17%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to BAI MIN (1)· patent assignee history
2013Patents assigned to CHEN SURUI (1)· patent assignee history
2013Patents assigned to CSPC NBP PHARMACEUTICAL CO LTD (1)· patent assignee history
2013Patents assigned to CSPC ZHONGQI PHARMACEUTICAL TECHNOLOGY SHIJIAZHUANG CO LTD (1)· patent assignee history
2013Patents assigned to GUO WENMIN (1)· patent assignee history
2013Based in Shijiazhuang, CN· patent location history
2020Based in Huizhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAI MIN12013
CHEN SURUI12013
CSPC NBP PHARMACEUTICAL CO LTD12013
CSPC ZHONGQI PHARMACEUTICAL TECHNOLOGY SHIJIAZHUANG CO LTD12013
GUO WENMIN12013
Locations
LocationPatentsSpan
Huizhou, CN12020
Shijiazhuang, CN12013