Inventor

Xiang De Liu

Inventor

Shanghai, CN

Overview

2→

Patents

2011–2021

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.

B23Kprimary

B23KSoldering or unsoldering13%

C03CChemical composition of glasses, glazes or vitreous enamels13%

F21KNon-electric light sources using luminescence13%

F21VFunctional features or details of lighting devices or systems thereof13%

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 emitted13%

G06FElectric digital data processing13%

H05BElectric heating13%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%

PatentTitleYear

11,073,250LED tube lamp comprising a thyristor device and a noise suppressing circuit2021 7,966,516'Automatic JTA migration'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011Patents assigned to ORACLE INT CORP (1)· patent assignee history

2011Based in Beijing, CN· patent location history

2021Patents assigned to JIAXING SUPER LIGHTING ELECTRIC APPLIANCE 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

Assignee	Patents	Span
JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD	1	2021
ORACLE INT CORP	1	2011

Locations

Location	Patents	Span
Shanghai, CN	1	2021
Beijing, CN	1	2011