Inventor

I-Lun Ma

Inventor

Hsinchu, TW

Overview

3→

Patents

2020–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 3 as inventor

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

H01Lprimary

H01LSemiconductor devices30%

H10HInorganic light-emitting semiconductor devices having potential barriers30%

F21KNon-electric light sources using luminescence10%

F21VFunctional features or details of lighting devices or systems thereof10%

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 emitted10%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%

PatentTitleYear

11,063,087Light-emitting device2021 11,038,085Light-emitting device with a plurality of electrodes on a semiconductor stack2021 10,804,435Light-emitting device2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020–2021Patents assigned to EPISTAR CORP (3)· patent assignee history

2020–2021Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EPISTAR CORP	3	2020–2021

Locations

Location	Patents	Span
Hsinchu, TW	3	2020–2021