Inventor

Ching-Jung Tsai

Inventor
Taichung, TW

Overview

9→
Patents
2007–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television47%
G02BOptical elements, systems or apparatus20%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them20%
H01RElectrically-conductive connections7%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2012Patents assigned to ASIA OPTICAL CO INC (7)· patent assignee history
2007–2012Based in Taichung, TW· patent location history
2011Patents assigned to ASIA OPTICAL CO LTD (1)· patent assignee history
2012Patents assigned to TSAI CHING-JUNG (2)· patent assignee history
2012Patents assigned to HSIEH WEN-HUNG (1)· patent assignee history
2017Patents assigned to HTC CORP (1)· patent assignee history
2017Based in Taoyuan, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASIA OPTICAL CO INC72007–2012
TSAI CHING-JUNGself22012
ASIA OPTICAL CO LTD12011
HSIEH WEN-HUNG12012
HTC CORP12017
Locations
LocationPatentsSpan
Taichung, TW82007–2012
Taoyuan, TW12017