Inventor

Shang-Yu Chang-Chien

Inventor

Hsinchu County, TW

Overview

2018

Patent span

Electricity

Primary field (CPC H)

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

H01Lprimary

H01LSemiconductor devices29%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1029%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1029%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices14%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to POWERTECH TECHNOLOGY INC (2)· patent assignee history

2018Based in Hsinchu County, TW· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
POWERTECH TECHNOLOGY INC	2	2018

Locations

Location	Patents	Span
Hsinchu County, TW	2	2018