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Inventor

Zhihong Sun

Inventor
Shenzhen, CN

Overview

4→
Patents
2012–2021
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.

H04Mprimary
H04MTelephonic communication25%
A61KPreparations for medical, dental or toiletry purposes13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
C07BGeneral methods of organic chemistry13%
C07DHeterocyclic compounds13%
C07KPeptides13%
C12NMicroorganisms or enzymes13%
PatentTitleYear
11,111,300Anti PD-L1 antibodies20219,637,502'Crystal form of Cefathiamidine compound and preparation method therefor'20178,462,916'Method, system and device for playing enterprise color ringback tone'20138,149,998'Method, system and device for playing enterprise color ringback tone'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to BAO YIQIANG (2)· patent assignee history
2012–2013Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2012–2013Patents assigned to LI GUIHUA (2)· patent assignee history
2012–2013Patents assigned to REN ZHIBIN (2)· patent assignee history
2012–2013Patents assigned to SUN ZHIHONG (2)· patent assignee history
2012–2013Based in Shenzhen, CN· patent location history
2017Based in Tianjin, CN· patent location history
2021Based in Santa Clara, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAO YIQIANG22012–2013
HUAWEI TECH CO LTD22012–2013
LI GUIHUA22012–2013
REN ZHIBIN22012–2013
SUN ZHIHONGself22012–2013
Locations
LocationPatentsSpan
Shenzhen, CN22012–2013
Santa Clara, California, US12021
Tianjin, CN12017