Inventor

CHENG YAN

Inventor
CN

Overview

2→
Patents
2023–2024
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 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%
LOC2633%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to AGRO ENVIRONMENTAL PROT INSTITUTE MINISTRY OF AGRICULTURE AND RURAL AFFAIRS (1)· patent assignee history
2023Patents assigned to INST AGRI RESOURCES CAAS (1)· patent assignee history
2023–2024Based in CN· patent location history
2024Patents assigned to KLARUS LIGHTING TECH HONG KONG CO LIMITED (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGRO ENVIRONMENTAL PROT INSTITUTE MINISTRY OF AGRICULTURE AND RURAL AFFAIRS12023
INST AGRI RESOURCES CAAS12023
KLARUS LIGHTING TECH HONG KONG CO LIMITED12024
Locations
LocationPatentsSpan
CN22023–2024