Inventor

Keng-Li Chang

Inventor

Taipei, TW

Overview

2021

Patent span

Physics

Primary field (CPC G)

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

F21Kprimary

F21KNon-electric light sources using luminescence7%

G02BOptical elements, systems or apparatus7%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%

G06FElectric digital data processing7%

G06KGraphical data reading7%

G06VImage or video recognition or understanding7%

G09GArrangements or circuits for control of indicating devices using static means to present variable information7%

G11CStatic stores7%

H01LSemiconductor devices7%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to GUANGZHOU TYRAFOS SEMICONDUCTOR TECH CO LTD (2)· patent assignee history

2021Based in Taipei, TW· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GUANGZHOU TYRAFOS SEMICONDUCTOR TECH CO LTD	2	2021

Locations

Location	Patents	Span
Taipei, TW	2	2021