Inventor

Hansen Gu

Inventor
Shenzhen, CN

Overview

4→
Patents
1990–2015
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.

A61Nprimary
A61NElectrotherapy29%
G08BSignalling systems, e.g. personal calling systems29%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body14%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2015Patents assigned to GU HANSEN (4)· patent assignee history
1990–1991Patents assigned to WU DUMIN (2)· patent assignee history
1990–1991Based in Shanghai, CN· patent location history
2013–2015Patents assigned to HONEYWELL INT INC (2)· patent assignee history
2013Patents assigned to QIN LEI (1)· patent assignee history
2013–2015Based in Shenzhen, CN· patent location history
2015Patents assigned to CHEN YANG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GU HANSENself41990–2015
HONEYWELL INT INC22013–2015
WU DUMIN21990–1991
CHEN YANG12015
QIN LEI12013
Locations
LocationPatentsSpan
Shenzhen, CN22013–2015
Shanghai, CN21990–1991