Inventor

Chih-Tsung Su

Inventor

Hsinchu, TW

Overview

8→

Patents

2003–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 8 as inventor

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

H01Lprimary

H01LSemiconductor devices29%

H10HInorganic light-emitting semiconductor devices having potential barriers29%

B43KImplements for writing or drawing6%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

F21KNon-electric light sources using luminescence6%

F21VFunctional features or details of lighting devices or systems thereof6%

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 emitted6%

G01NInvestigating or analysing materials by determining their chemical or physical properties6%

H01JElectric discharge tubes or discharge lamps6%

PatentTitleYear

10,825,956Light-emitting device2020 10,505,076Light-emitting device2019 10,199,542Light-emitting device2019 9,530,934'Light-emitting device'2016 9,240,519'Light-emitting element comprising a reflective structure with high efficiency'2016 8,591,066'Modular lamp head and assembly for non-destructive testing'2013 7,336,023'Cold cathode field emission devices having selective wavelength radiation'2008 6,666,564'LED pen clip'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Based in Taipei, TW· patent location history

2008–2013Patents assigned to SU CHIH-TSUNG (2)· patent assignee history

2008Patents assigned to HUANG YAO-HSIEN JOSEPH (1)· patent assignee history

2008Based in Chung-Ho City, Taipei Hsien, TW· patent location history

2013Patents assigned to DUERR JOHN (1)· patent assignee history

2013Patents assigned to GARCIA GUSTAVO (1)· patent assignee history

2013Based in Hsin-Tien, TW· patent location history

2016–2020Patents assigned to EPISTAR CORP (5)· patent assignee history

2016–2020Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EPISTAR CORP	5	2016–2020
SU CHIH-TSUNGself	2	2008–2013
DUERR JOHN	1	2013
GARCIA GUSTAVO	1	2013
HUANG YAO-HSIEN JOSEPH	1	2008

Locations

Location	Patents	Span
Hsinchu, TW	5	2016–2020
Hsin-Tien, TW	1	2013
Chung-Ho City, Taipei Hsien, TW	1	2008
Taipei, TW	1	2003