Inventor

Yuanzhen ZHOU

Inventor
CN

Overview

4→
Patents
2023
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A24Bprimary
A24BManufacture or preparation of tobacco for smoking or chewing18%
A24CMachines for making cigars or cigarettes18%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents18%
B07CPostal sorting9%
B08BCleaning in general9%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light9%
G02BOptical elements, systems or apparatus9%
Y02PClimate change mitigation technologies in the production or processing of goods9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to CHINA TOBACCO YUNNAN IND CO LTD (4)· patent assignee history
2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA TOBACCO YUNNAN IND CO LTD42023
Locations
LocationPatentsSpan
CN42023