Inventor

Yawei Zhang

Inventor
Beijing, CN

Overview

6→
Patents
2017–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication29%
H04JMultiplex communication14%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling7%
B60LPropulsion of electrically-propelled vehicles7%
B60NSeats specially adapted for vehicles7%
D07BRopes or cables in general7%
G05BControl or regulating systems in general7%
G06FElectric digital data processing7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
Y02TClimate change mitigation technologies related to transportation7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2018Patents assigned to CRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD (2)· patent assignee history
2017Patents assigned to CRRC QINGDAO SIFAND ROLLING STOCK RES INST CO LTD (1)· patent assignee history
2017–2018Based in Qingdao, CN· patent location history
2018Patents assigned to CRRC QINGDAO SIFANG ROLLING ROCK RES INSTITUTE CO LTD (1)· patent assignee history
2019Based in Jiangsu, CN· patent location history
2020Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2020Patents assigned to GREAT WALL MOTOR CO LTD (1)· patent assignee history
2020Based in Beijing, CN· patent location history
2020Based in Hebei, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD22017–2018
HUAWEI TECH CO LTD22020
CRRC QINGDAO SIFAND ROLLING STOCK RES INST CO LTD12017
CRRC QINGDAO SIFANG ROLLING ROCK RES INSTITUTE CO LTD12018
GREAT WALL MOTOR CO LTD12020
Locations
LocationPatentsSpan
Beijing, CN22020
Qingdao, CN22017–2018
Hebei, CN12020
Jiangsu, CN12019