Inventor

Shiwen Zhang

Inventor
Xiamen, CN

Overview

6→
Patents
2014–2020
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.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge33%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management17%
B81BMicrostructural devices or systems, e.g. micromechanical devices8%
G06KGraphical data reading8%
G06NComputing arrangements based on specific computational models8%
G06TImage data processing or generation, in general8%
G06VImage or video recognition or understanding8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2015Patents assigned to BOYING XIAMEN SCI & TECH CO (4)· patent assignee history
2014–2015Patents assigned to ZHANG SHIWEN (4)· patent assignee history
2014–2015Based in Xiamen, CN· patent location history
2014Based in Fujian, CN· patent location history
2020Patents assigned to GOERTEK INC (1)· patent assignee history
2020Patents assigned to SHENZHEN MALONG TECH CO LTD (1)· patent assignee history
2020Based in Shenzhen, CN· patent location history
2020Based in Weifang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOYING XIAMEN SCI & TECH CO42014–2015
ZHANG SHIWENself42014–2015
GOERTEK INC12020
SHENZHEN MALONG TECH CO LTD12020
Locations
LocationPatentsSpan
Xiamen, CN22014–2015
Fujian, CN22014
Shenzhen, CN12020
Weifang, CN12020