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Inventor

Chao-Fu Yang

Inventor
Taoyuan County, TW

Overview

3→
Patents
2018–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

F04Dprimary
F04DNon-positive-displacement pumps29%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
H01LSemiconductor devices14%
H05KPrinted circuits14%
H10HInorganic light-emitting semiconductor devices having potential barriers14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
11,078,915Contra-rotating fan structure202111,053,946Mixed-flow fan20219,938,460Phosphor, light emitting apparatus and method of forming phosphor2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to UNIV NAT TAIWAN (1)· patent assignee history
2018Based in Taipei, TW· patent location history
2021Patents assigned to DELTA ELECTRONICS INC (2)· patent assignee history
2021Based in Taoyuan County, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DELTA ELECTRONICS INC22021
UNIV NAT TAIWAN12018
Locations
LocationPatentsSpan
Taoyuan County, TW22021
Taipei, TW12018