Inventor

YingJun Cheng

Inventor
Shanghai, CN

Overview

3→
Patents
2016–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F21Yprimary
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 emitted21%
F21KNon-electric light sources using luminescence14%
F21VFunctional features or details of lighting devices or systems thereof14%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%
H01LSemiconductor devices7%
H05BElectric heating7%
H10HInorganic light-emitting semiconductor devices having potential barriers7%
H10KOrganic electric solid-state devices7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2017Patents assigned to OSRAM GMBH (2)· patent assignee history
2016–2019Based in Shanghai, CN· patent location history
2019Patents assigned to SABIC GLOBAL TECHNOLOGIES BV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OSRAM GMBH22016–2017
SABIC GLOBAL TECHNOLOGIES BV12019
Locations
LocationPatentsSpan
Shanghai, CN32016–2019