Inventor

Zhichao HU

Inventor
CN

Overview

7→
Patents
2021–2025
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

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

E21Bprimary
E21BEarth or rock drilling20%
A01BSoil working in agriculture or forestry7%
A01CPlanting7%
A61JContainers specially adapted for medical or pharmaceutical purposes7%
A61KPreparations for medical, dental or toiletry purposes7%
A61MDevices for introducing media into, or onto, the body7%
A61QSpecific use of cosmetics or similar toiletry preparations7%
B82YSpecific uses or applications of nanostructures7%
C01BNon-metallic elements7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to NANJING RES INST AGRICULTURAL MECHANIZATION MINISTRY AGRICULTURE (1)· patent assignee history
2021–2025Based in CN· patent location history
2022Patents assigned to COLGATE PALMOLIVE CO (1)· patent assignee history
2022Based in US· patent location history
2023Patents assigned to SICHUAN JUTINGZAO TECH CO LTD (3)· patent assignee history
2023Patents assigned to UNIV SOUTHWEST PETROLEUM (3)· patent assignee history
2025Patents assigned to HENAN FANGZHOU MEDICAL INSTR CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SICHUAN JUTINGZAO TECH CO LTD32023
UNIV SOUTHWEST PETROLEUM32023
COLGATE PALMOLIVE CO12022
HENAN FANGZHOU MEDICAL INSTR CO LTD12025
NANJING RES INST AGRICULTURAL MECHANIZATION MINISTRY AGRICULTURE12021
Locations
LocationPatentsSpan
CN62021–2025
US12022