Inventor

Minhua Zhang

Inventor
Tianjin, CN

Overview

5→
Patents
1997–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds40%
B01DSeparation20%
H01LSemiconductor devices10%
H10BElectronic memory devices10%
H10NElectric solid-state devices not otherwise provided for10%
Y02PClimate change mitigation technologies in the production or processing of goods10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2017Patents assigned to UNIV TIANJIN (4)· patent assignee history
1997Patents assigned to CHINA PETROCHEMICAL CORP (3)· patent assignee history
1997–2017Based in Tianjin, CN· patent location history
2017Patents assigned to YUAN YINGJIN (1)· patent assignee history
2021Patents assigned to TETRAMEM INC (1)· patent assignee history
2021Based in Newark, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV TIANJIN41997–2017
CHINA PETROCHEMICAL CORP31997
TETRAMEM INC12021
YUAN YINGJIN12017
Locations
LocationPatentsSpan
Tianjin, CN41997–2017
Newark, California, US12021