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Inventor

Yingguo Zhang

Inventor
Wuhan, CN

Overview

3→
Patents
2012–2021
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.

G01Rprimary
G01RMeasuring electric variables33%
G06FElectric digital data processing17%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy17%
H05BElectric heating17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
PatentTitleYear
11,096,254Lighting device using multiple scattered light sources to change illumination angle and color202110,534,037Devices with battery remaining capacity estimating functions20208,324,861'Multi-channel converter with self-diagnosis functionality'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to O2MICRO INC (2)· patent assignee history
2012Patents assigned to HUO XIAOHUA (1)· patent assignee history
2012–2020Based in Wuhan, CN· patent location history
2021Patents assigned to GENERAL LUMINAIRE CO LTD (1)· patent assignee history
2021Patents assigned to GENERAL LUMINAIRE KUNSHAN CO LTD (1)· patent assignee history
2021Patents assigned to GENERAL LUMINAIRE SHANGHAI CO LTD (1)· patent assignee history
2021Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
O2MICRO INC22012–2020
GENERAL LUMINAIRE CO LTD12021
GENERAL LUMINAIRE KUNSHAN CO LTD12021
GENERAL LUMINAIRE SHANGHAI CO LTD12021
HUO XIAOHUA12012
Locations
LocationPatentsSpan
Wuhan, CN22012–2020
Shanghai, CN12021