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Inventor

Longchao ZHAO

Inventor
US

Overview

3→
Patents
2025
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G06Kprimary
G06KGraphical data reading50%
G01FMeasuring volume, volume flow, mass flow or liquid level25%
H01QAntennas, i.e. radio aerials25%
PatentTitleYear
12,332,095High-detection accuracy differential flowmeter capable of being repeatedly disinfected202512,327,156Radio-frequency identification (RFID) printer antenna202512,204,981Radio-frequency identification (RFID) printer with a rotatable antenna bracket component2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to HAND HELD PROD INC (2)· patent assignee history
2025Patents assigned to GUANGZHOU LANSWICK MEDICAL TECH CO LTD (1)· patent assignee history
2025Based in US· patent location history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAND HELD PROD INC22025
GUANGZHOU LANSWICK MEDICAL TECH CO LTD12025
Locations
LocationPatentsSpan
US22025
CN12025