Inventor

Wen-Pin Chang

Inventor

Taichung, TW

Overview

1994–2020

Patent span

Performing operations

Primary field (CPC B)

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

B62Kprimary

B62KCycles13%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%

Y10TTechnical subjects covered by former us classification10%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%

A61MDevices for introducing media into, or onto, the body5%

B24BMachines, devices, or processes for grinding or polishing5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

B62MRider propulsion of wheeled vehicles or sledges5%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%

A61DVeterinary instruments, implements, tools, or methods3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1994–2005Patents assigned to CHANG WEN-PIN (2)· patent assignee history

1994Patents assigned to IND TECH RES INST (2)· patent assignee history

1994–2005Based in Taichung, TW· patent location history

1994–2003Based in Hsinchu, TW· patent location history

2000–2003Patents assigned to WINBOND ELECTRONICS CORP (5)· patent assignee history

2001–2003Based in Taoyuan, TW· patent location history

2001Based in I-Lan, TW· patent location history

2019–2020Patents assigned to ACER INC (3)· patent assignee history

2019–2020Patents assigned to BENEPET CO LTD (2)· patent assignee history

2019–2020Based in New Taipei, TW· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations