Inventor

Yu-Tzu Chang

Inventor
Nantou County, TW

Overview

4→
Patents
2010–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H03Kprimary
H03KPulse technique29%
A61CDentistry14%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body14%
B62JCycle saddles or seats14%
H01LSemiconductor devices14%
H10DInorganic electric semiconductor devices14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010Patents assigned to TAIWAN SEMICONDUCTOR MFG (1)· patent assignee history
2010Based in Miaoli, TW· patent location history
2019Patents assigned to LEE CHI ENTPR CO LTD (1)· patent assignee history
2019Based in Changhua County, TW· patent location history
2021Patents assigned to KONINKLIJKE PHILIPS NV (1)· patent assignee history
2021Patents assigned to RICHTEK TECHNOLOGY CORP (1)· patent assignee history
2021Based in Nantou County, TW· patent location history
2021Based in Mercer Island, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONINKLIJKE PHILIPS NV12021
LEE CHI ENTPR CO LTD12019
RICHTEK TECHNOLOGY CORP12021
TAIWAN SEMICONDUCTOR MFG12010
Locations
LocationPatentsSpan
Nantou County, TW12021
Mercer Island, Washington, US12021
Changhua County, TW12019
Miaoli, TW12010