Inventor

ZHENGGANG ZHAO

Inventor
CN

Overview

4→
Patents
2022–2026
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.

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations27%
A61KPreparations for medical, dental or toiletry purposes20%
C12NMicroorganisms or enzymes13%
C12YEnzymes13%
C07BGeneral methods of organic chemistry7%
C07DHeterocyclic compounds7%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms7%
Y02ATechnologies for adaptation to climate change7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to GUANGZHOU SINOGEN PHARMACEUTICAL CO LTD (2)· patent assignee history
2022–2026Based in CN· patent location history
2025–2026Patents assigned to SHENZHEN HANHUI PHARMACEUTICAL TECH CO LTD (2)· patent assignee history
2025Patents assigned to GUANGZHOU HUAZHEN PHARMACEUTICAL CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUANGZHOU SINOGEN PHARMACEUTICAL CO LTD22022–2025
SHENZHEN HANHUI PHARMACEUTICAL TECH CO LTD22025–2026
GUANGZHOU HUAZHEN PHARMACEUTICAL CO LTD12025
Locations
LocationPatentsSpan
CN42022–2026