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Inventor

CHAN ZHAO

Inventor
CN

Overview

3→
Patents
2022–2025
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels38%
A61MDevices for introducing media into, or onto, the body38%
A61BDiagnosis25%
PatentTitleYear
12,383,426Medical penetration device and system202512,342,995Negative-pressure paracentesis syringe and use thereof202511,517,293Negative-pressure paracentesis syringe and use thereof2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to HANGZHOU SIGHTNOVO MEDICAL TECH CO LTD (2)· patent assignee history
2022–2025Based in CN· patent location history
2025Patents assigned to BEIJING SIGHTNOVO MEDICAL TECH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HANGZHOU SIGHTNOVO MEDICAL TECH CO LTD22022–2025
BEIJING SIGHTNOVO MEDICAL TECH CO LTD12025
Locations
LocationPatentsSpan
CN32022–2025