Inventor

I-Pien Wu

Inventor

Hsinchu, TW

Overview

6→

Patents

1977–2009

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

G03Fprimary

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices44%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application11%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation11%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

PatentTitleYear

7,586,609'Method for analyzing overlay errors'2009 7,051,800'Hot plate cooling system'2006 6,887,627'Method of fabricating phase shift mask'2005 6,620,564'Method for patterning semiconductors through adjustment of image peak side lobes'2003 6,506,688'Method for removing photoresist layer on wafer edge'2003 4,062,102'Process for manufacturing a solar cell from a reject semiconductor wafer'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to SILICON MATERIAL INC (1)· patent assignee history

1977Based in Sunnyvale, CA, US· patent location history

2003–2009Patents assigned to MACRONIX INT CO LTD (4)· patent assignee history

2003Patents assigned to MACRONIX INTERNAT CO INC (1)· patent assignee history

2003–2009Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MACRONIX INT CO LTD	4	2003–2009
MACRONIX INTERNAT CO INC	1	2003
SILICON MATERIAL INC	1	1977

Locations

Location	Patents	Span
Hsinchu, TW	5	2003–2009
Sunnyvale, California, US	1	1977