GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 158 081 232 patent documents

This week's update (23/08/2024 12:00 CET):

176 880 new documents added

1 259 676 documents amended

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EP 1138087 A1 20011004 - A PHOTOCONDUCTIVE SWITCH

Title (en)

A PHOTOCONDUCTIVE SWITCH

Title (de)

PHOTOLEITENDER SCHALTER

Title (fr)

COMMUTATEUR PHOTOCONDUCTEUR

Publication

EP 1138087 A1 20011004 (EN)

Application

EP 99973170 A 19991022

Priority

SE 9901899 W 19991022
SE 9804135 A 19981130

IPC 1-7

H01L 31/10

IPC 8 full level

H01L 31/10 (2006.01); H01L 31/0248 (2006.01); H01L 31/0264 (2006.01)

IPC 8 main group level

H01L (2006.01)

CPC (source: EP)

H01L 31/109 (2013.01)

Citation (search report)

See references of WO 0033387A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 1138087 A1 20011004; JP 2002531954 A 20020924; JP 4519321 B2 20100804; NO 20012550 D0 20010523; NO 20012550 L 20010523

DOCDB simple family (application)

EP 99973170 A 19991022; JP 2000585939 A 19991022; NO 20012550 A 20010523