Inventor

Ping Wan

Inventor

Guangzhou, CN

Overview

2012–2019

Patent span

Human necessities

Primary field (CPC A)

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

A61Fprimary

A61FFilters implantable into blood vessels14%

A61KPreparations for medical, dental or toiletry purposes14%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%

C07BGeneral methods of organic chemistry14%

C07CAcyclic or carbocyclic compounds14%

H04LTransmission of digital information, e.g. telegraphic communication14%

H04MTelephonic communication14%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to DIALOGIC CORP (1)· patent assignee history

2012Based in Cityone Shatin, HK· patent location history

2018Based in Shanghai, CN· patent location history

2019Patents assigned to BAIYUNSHAN PHARMACEUTICAL GENERAL FACTROY GUANGZHOU INST OF RESPIRATORY DISEASE (1)· patent assignee history

2019Patents assigned to GUANGZHOU BAIYUNSHAN PHARMACEUTICAL HOLDINGS CO LTD (1)· patent assignee history

2019Patents assigned to GUANGZHOU BAIYUNSHAN PHARMACEUTICAL HOLDINGS CO LTD BAIYUNSHAN PHARMACEUTICAL GENERAL FACTORY (1)· patent assignee history

2019Patents assigned to GUANGZHOU INST RESPIRATORY DISEASE (1)· patent assignee history

2019Based in Guangzhou, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAIYUNSHAN PHARMACEUTICAL GENERAL FACTROY GUANGZHOU INST OF RESPIRATORY DISEASE	1	2019
DIALOGIC CORP	1	2012
GUANGZHOU BAIYUNSHAN PHARMACEUTICAL HOLDINGS CO LTD	1	2019
GUANGZHOU BAIYUNSHAN PHARMACEUTICAL HOLDINGS CO LTD BAIYUNSHAN PHARMACEUTICAL GENERAL FACTORY	1	2019
GUANGZHOU INST RESPIRATORY DISEASE	1	2019

Locations