Inventor

Gu Zhang

Inventor
Zhejiang, CN

Overview

2→
Patents
2015–2021
Patent span
Human necessities
Primary field (CPC A)

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 purposes20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
C07KPeptides20%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments20%
D06PDyeing or printing textiles20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to GENENTECH INC (1)· patent assignee history
2015Patents assigned to YAN MINHONG (1)· patent assignee history
2015Patents assigned to ZHANG GU (1)· patent assignee history
2015Based in Millbrae, CA, US· patent location history
2021Patents assigned to SHANGHAI KEHUA DYESTUFF IND CO LTD (1)· patent assignee history
2021Patents assigned to ZHEJIANG KEYONG CHEMICAL CO LTD (1)· patent assignee history
2021Based in Zhejiang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GENENTECH INC12015
SHANGHAI KEHUA DYESTUFF IND CO LTD12021
YAN MINHONG12015
ZHANG GUself12015
ZHEJIANG KEYONG CHEMICAL CO LTD12021
Locations
LocationPatentsSpan
Zhejiang, CN12021
Millbrae, California, US12015