Inventor

Ya-Ping Tsai

Inventor
Nantou County, TW

Overview

7→
Patents
2007–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H10Kprimary
H10KOrganic electric solid-state devices50%
H10HInorganic light-emitting semiconductor devices having potential barriers25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2009Patents assigned to FORMOSA EPITAXY INC (2)· patent assignee history
2007Based in Tao Yuan Shien, TW· patent location history
2009–2011Patents assigned to CHUNGHWA PICTURE TUBES LTD (4)· patent assignee history
2009–2011Based in Nantou County, TW· patent location history
2009Based in Taoyuan County, TW· patent location history
2021Patents assigned to APPLE INC (1)· patent assignee history
2021Based in Mountain View, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHUNGHWA PICTURE TUBES LTD42009–2011
FORMOSA EPITAXY INC22007–2009
APPLE INC12021
Locations
LocationPatentsSpan
Nantou County, TW42009–2011
Mountain View, California, US12021
Taoyuan County, TW12009
Tao Yuan Shien, TW12007