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Extract from the Register of European Patents

EP About this file: EP0415440

EP0415440 - Apparatus for measuring light output from semiconductor light emitting element [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.08.1994
Database last updated on 13.07.2024
Most recent event   Tooltip13.08.1994No opposition filed within time limitpublished on 05.10.1994 [1994/40]
Applicant(s)For all designated states
Kabushiki Kaisha Toshiba
72, Horikawa-cho, Saiwai-ku Kawasaki-shi
Kanagawa 212-8572 / JP
[N/P]
Former [1991/10]For all designated states
Kabushiki Kaisha Toshiba
72, Horikawa-cho Saiwai-ku
Kawasaki-shi / JP
Inventor(s)01 / Tanaka, Toshiaki, c/o Intellectual Property Div.
Kabushiki Kaisha Toshiba, 1-1 Shibaura 1-chome
Minato-ku, Tokyo 105 / JP
[1991/10]
Representative(s)Lehn, Werner, et al
Hoffmann Eitle, Patent- und Rechtsanwälte, Postfach 81 04 20
81904 München / DE
[N/P]
Former [1991/10]Lehn, Werner, Dipl.-Ing., et al
Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20
D-81904 München / DE
Application number, filing date90116757.731.08.1990
[1991/10]
Priority number, dateJP1989022295731.08.1989         Original published format: JP 22295789
[1991/10]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0415440
Date:06.03.1991
Language:EN
[1991/10]
Type: A3 Search report 
No.:EP0415440
Date:18.09.1991
Language:EN
[1991/38]
Type: B1 Patent specification 
No.:EP0415440
Date:13.10.1993
Language:EN
[1993/41]
Search report(s)(Supplementary) European search report - dispatched on:EP30.07.1991
ClassificationIPC:G01J1/42
[1991/10]
CPC:
G01J1/42 (EP,US); G01J3/42 (KR); G01J2001/4252 (EP,US);
G01J2001/446 (EP,US)
Designated contracting statesDE,   FR,   GB [1991/10]
TitleGerman:Gerät zum Messen der Lichtleistung eines lichtemittierenden Halbleiterelements[1991/10]
English:Apparatus for measuring light output from semiconductor light emitting element[1991/10]
French:Appareil pour mesurer le flux lumineux d'un élément semi-conducteur émittant de la lumière[1991/10]
Examination procedure31.08.1990Examination requested  [1991/10]
11.12.1992Despatch of communication of intention to grant (Approval: Yes)
26.03.1993Communication of intention to grant the patent
23.06.1993Fee for grant paid
23.06.1993Fee for publishing/printing paid
Opposition(s)14.07.1994No opposition filed within time limit [1994/40]
Fees paidRenewal fee
10.08.1992Renewal fee patent year 03
11.08.1993Renewal fee patent year 04
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Documents cited:Search[A]JP62278423  ;
 [X]DD118942  ;
 [A]DE3328899  (NUKEM GMBH [DE])
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 12, no. 163 (P-703)(3010), 18 May 1988; & JP - A - 62278423 (MITSUBISHI) 03.12.1987, & JP62278423 A 19880518
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.