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Extract from the Register of European Patents

EP About this file: EP0450077

EP0450077 - THIN-FILM ELECTROLUMINESCENT ELEMENT AND METHOD OF MANUFACTURING THE SAME [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  22.03.1994
Database last updated on 06.11.2024
Most recent event   Tooltip06.06.2008Change - representativepublished on 09.07.2008  [2008/28]
Applicant(s)For all designated states
KABUSHIKI KAISHA KOMATSU SEISAKUSHO
3-6, Akasaka 2-chome, Minato-ku
Tokyo 107 / JP
[1991/41]
Inventor(s)01 / TSURUMAKI, Naoya Techn.Inst. of K.K. Komatsu Se
isakusho 1200, Manda
Hiratsuka-shi Kanagawa-ken 254 / JP
[1991/41]
Representative(s)Fuchs Patentanwälte Partnerschaft mbB
Postfach 46 60
65036 Wiesbaden / DE
[N/P]
Former [2008/28]Fuchs
Patentanwälte Postfach 46 60
65036 Wiesbaden / DE
Former [1991/41]Dr. Fuchs, Dr. Luderschmidt Dr. Mehler, Dipl.-Ing. Weiss Patentanwälte
Postfach 46 60
D-65036 Wiesbaden / DE
Application number, filing date90900991.215.12.1989
[1991/41]
WO1989JP01266
Priority number, dateJP1988031630016.12.1988         Original published format: JP 31630088
[1991/41]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9007254
Date:28.06.1990
Language:EN
[1990/15]
Type: A1 Application with search report 
No.:EP0450077
Date:09.10.1991
Language:EN
The application published by WIPO in one of the EPO official languages on 28.06.1990 takes the place of the publication of the European patent application.
[1991/41]
Search report(s)International search report - published on:JP28.06.1990
(Supplementary) European search report - dispatched on:EP25.11.1991
ClassificationIPC:H05B33/10, H05B33/28, H05B33/22, H01L31/18
[1992/03]
CPC:
H05B33/10 (EP); H05B33/28 (EP,KR)
Former IPC [1991/41]H05B33/28, H05B33/10
Designated contracting statesDE,   FR,   GB,   NL [1991/41]
TitleGerman:ELEKTROLUMINESZENTES DÜNNFILM-ELEMENT UND VERFAHREN ZUR HERSTELLUNG[1991/41]
English:THIN-FILM ELECTROLUMINESCENT ELEMENT AND METHOD OF MANUFACTURING THE SAME[1991/41]
French:ELEMENT ELECTROLUMINESCENT A FILM MINCE ET PROCEDE DE FABRICATION DE CET ELEMENT[1991/41]
File destroyed:15.01.2000
Entry into regional phase04.06.1991Translation filed 
04.06.1991National basic fee paid 
04.06.1991Search fee paid 
04.06.1991Designation fee(s) paid 
04.06.1991Examination fee paid 
Examination procedure13.07.1990Request for preliminary examination filed
International Preliminary Examining Authority: DE
04.06.1991Examination requested  [1991/41]
28.06.1993Despatch of a communication from the examining division (Time limit: M04)
09.11.1993Application deemed to be withdrawn, date of legal effect  [1994/19]
10.12.1993Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1994/19]
Fees paidRenewal fee
05.11.1991Renewal fee patent year 03
10.09.1992Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.12.199305   M06   Not yet paid
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[XP]US4792500  (KOJIMA KIYOAKI [JP]);
 [X]US4088799  (KURTIN STEPHEN L)
 [A]  - EXTENDED ABSTRACTS, vol. 84, no. 2, 1984, NEW ORLEANS, LOUISIANA, USA; pages 443 - 444; (S.PIZZINI ET AL.): 'Abstract no. 315: Electrical and optical properties of aluminium doped ZnO'
International search[X]JPS61151996  (HITACHI LTD, et al);
 [X]JPS61131396  (HOYA CORP);
 [X]JPS61146894U  ;
 [Y]JPS483088  ;
 [Y]JPS4716990  ;
 [Y]JPS5868960  (SIEMENS AG)
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.