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Inventor

CHENGYAN WANG

Inventor
CN

Overview

4→
Patents
2022–2023
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

B22Fprimary
B22FWorking metallic powder13%
C22BProduction and refining of metals13%
C22CAlloys13%
H04BTransmission13%
H04QSelecting13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management6%
PatentTitleYear
11,750,956Optical receiver202311,519,054Method for preparing lead directly from lead-containing material by solid phase reaction202211,502,344Hydrometallurgical method for recycling lead from spent lead-acid battery paste202211,228,823Optical receiver2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2022Patents assigned to UNIV BEIJING SCIENCE & TECHNOLOGY (2)· patent assignee history
2022–2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI TECH CO LTD22022–2023
UNIV BEIJING SCIENCE & TECHNOLOGY22022
Locations
LocationPatentsSpan
CN42022–2023