Inventor

Jun Ma

Inventor
Ningde, CN

Overview

4→
Patents
2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy18%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution18%
Y02PClimate change mitigation technologies in the production or processing of goods18%
A62CFire-fighting9%
H04BTransmission9%
H04MTelephonic communication9%
H04NPictorial communication, e.g. television9%
H04WWireless communication networks9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (2)· patent assignee history
2021Patents assigned to INTERDIGITAL CE PATENT HOLDINGS SAS (1)· patent assignee history
2021Patents assigned to QUALCOMM INC (1)· patent assignee history
2021Based in Ningde, CN· patent location history
2021Based in San Diego, CA, US· patent location history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD22021
INTERDIGITAL CE PATENT HOLDINGS SAS12021
QUALCOMM INC12021
Locations
LocationPatentsSpan
Ningde, CN22021
San Diego, California, US12021
Beijing, CN12021