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Inventor

Jianhua Qi

Inventor
Shanghai, CN

Overview

2→
Patents
2014–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F21Sprimary
F21SNon-portable lighting devices20%
F21VFunctional features or details of lighting devices or systems thereof20%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted20%
G01RMeasuring electric variables20%
H05BElectric heating20%
PatentTitleYear
10,393,359Embedded LED downlight20198,878,545'Test apparatus with physical separation feature'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to QI JIANHUA (1)· patent assignee history
2014Patents assigned to SINO IC TECHNOLOGY CO LTD (1)· patent assignee history
2014Patents assigned to YE SHOUYIN (1)· patent assignee history
2014Patents assigned to ZHANG JIE (1)· patent assignee history
2014–2019Based in Shanghai, CN· patent location history
2019Patents assigned to SHANGHAI HAIFENG ELECTRICAL LIGHTING CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QI JIANHUAself12014
SHANGHAI HAIFENG ELECTRICAL LIGHTING CO LTD12019
SINO IC TECHNOLOGY CO LTD12014
YE SHOUYIN12014
ZHANG JIE12014
Locations
LocationPatentsSpan
Shanghai, CN22014–2019