Inventor

Chi-Hao Cheng

Inventor

Tainan, TW

Overview

6→

Patents

2002–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 6 as inventor

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

H01Lprimary

H01LSemiconductor devices25%

H10HInorganic light-emitting semiconductor devices having potential barriers25%

G02BOptical elements, systems or apparatus17%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

H04BTransmission8%

H04JMultiplex communication8%

H10DInorganic electric semiconductor devices8%

PatentTitleYear

10,468,549Semiconductor device containing nitrogen2019 10,229,977Nitrogen-containing semiconductor device2019 9,640,716'Multiple quantum well structure and method for manufacturing the same'2017 6,559,992'Adjustable chromatic dispersion compensation'2003 6,515,786'Bandwidth variable wavelength router and method of operation'2003 6,396,609'Dispersion compensation for optical systems'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to CHORUM TECHNOLOGIES LP (3)· patent assignee history

2002–2003Based in Dallas, TX, US· patent location history

2017–2019Patents assigned to GENESIS PHOTONICS INC (3)· patent assignee history

2017–2019Based in Tainan, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHORUM TECHNOLOGIES LP	3	2002–2003
GENESIS PHOTONICS INC	3	2017–2019

Locations

Location	Patents	Span
Tainan, TW	3	2017–2019
Dallas, Texas, US	3	2002–2003