Inventor

Qingfa Wang

Inventor
Tianjin, CN

Overview

6→
Patents
2018–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds31%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry15%
C10LFuels not otherwise provided for15%
B29CShaping or joining of plastics8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%
LOC078%
Y02PClimate change mitigation technologies in the production or processing of goods8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2020Patents assigned to UNIV TIANJIN (4)· patent assignee history
2018–2020Based in Tianjin, CN· patent location history
2020Patents assigned to WANG QINGFA (1)· patent assignee history
2020Based in Shenzhen, CN· patent location history
2021Patents assigned to 4C AIR INC (1)· patent assignee history
2021Based in Sunnyvale, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV TIANJIN42018–2020
4C AIR INC12021
WANG QINGFAself12020
Locations
LocationPatentsSpan
Tianjin, CN42018–2020
Sunnyvale, California, US12021
Shenzhen, CN12020