Inventor

Cheng MA

Inventor
CN

Overview

10→
Patents
2022–2025
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power13%
A61BDiagnosis4%
B62JCycle saddles or seats4%
B62MRider propulsion of wheeled vehicles or sledges4%
E21BEarth or rock drilling4%
G02BOptical elements, systems or apparatus4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
G06TImage data processing or generation, in general4%
H01HElectric switches4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Based in CN· patent location history
2022Based in US· patent location history
2023–2024Patents assigned to HUAWEI DIGITAL POWER TECH CO LTD (3)· patent assignee history
2023Patents assigned to BOE TECHNOLOGY GROUP CO LTD (1)· patent assignee history
2023Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2025Patents assigned to CHANGSHU TONGRUN AUTO ACCESSORY CO LTD (1)· patent assignee history
2025Patents assigned to CHINA SOUTHERN POWER GRID ENERGY STORAGE CO LTD INFORMATION AND COMMUNICATION BRANCH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI DIGITAL POWER TECH CO LTD32023–2024
BOE TECHNOLOGY GROUP CO LTD12023
CHANGSHU TONGRUN AUTO ACCESSORY CO LTD12025
CHINA SOUTHERN POWER GRID ENERGY STORAGE CO LTD INFORMATION AND COMMUNICATION BRANCH12025
HUAWEI TECH CO LTD12023
Locations
LocationPatentsSpan
CN92022–2025
US12022