Inventor

Maojun Cao

Inventor

Zhejiang, CN

Overview

4→

Patents

2017–2018

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 4 as inventor

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

F21Vprimary

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 emitted13%

F21KNon-electric light sources using luminescence7%

G08BSignalling systems, e.g. personal calling systems7%

H01LSemiconductor devices7%

H04NPictorial communication, e.g. television7%

H05BElectric heating7%

H05KPrinted circuits7%

H10HInorganic light-emitting semiconductor devices having potential barriers7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

PatentTitleYear

10,148,915Lighting system with monitoring and alarm function2018 10,030,848Parabolic LED lamp2018 D0801557'Parabolic LED lamp'2017 9,752,764'Wide-angle emitting LED driven by built-in power and assembly method thereof'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2018Patents assigned to NINGBO YAMAO OPTOELECTRONICS CO LTD (3)· patent assignee history

2017Patents assigned to NINGBO YAMAO LIGHTING ELECTRIC APPLIANCE COMPANY LTD (1)· patent assignee history

2017–2018Based in Zhejiang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NINGBO YAMAO OPTOELECTRONICS CO LTD	3	2017–2018
NINGBO YAMAO LIGHTING ELECTRIC APPLIANCE COMPANY LTD	1	2017

Locations

Location	Patents	Span
Zhejiang, CN	4	2017–2018