Inventor

Cao P. Sheng

Inventor
Shanghai, CN

Overview

3→
Patents
1988–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B07Bprimary
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents18%
B28DWorking stone or stone-like materials18%
F04BPositive-displacement machines for liquids18%
H02KDynamo-electric machines18%
G09FDisplaying9%
H01LSemiconductor devices9%
H10KOrganic electric solid-state devices9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to SHENG CAO P (2)· patent assignee history
1988Based in Shanghai, CN· patent location history
2021Patents assigned to YUNGU GUAN TECH CO LTD (1)· patent assignee history
2021Based in Kunshan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHENG CAO Pself21988
YUNGU GUAN TECH CO LTD12021
Locations
LocationPatentsSpan
Shanghai, CN21988
Kunshan, CN12021