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Extract from the Register of European Patents

EP About this file: EP0510452

EP0510452 - A knowledge base management system for an information reasoning apparatus [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.06.1999
Database last updated on 24.04.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting statepublished on 09.01.2008  [2008/02]
Applicant(s)For all designated states
MITSUI CHEMICALS, INC.
2-5, Kasumigaseki 3-chome, Chiyoda-ku
Tokyo / JP
[N/P]
Former [1998/34]For all designated states
MITSUI CHEMICALS, INC.
2-5, Kasumigaseki 3-chome, Chiyoda-ku
Tokyo / JP
Former [1998/20]For all designated states
Mitsui Chemicals, Inc.
2-5, Kasumigaseki 3-chome, Chiyoda-ku
Tokyo / JP
Former [1992/44]For all designated states
MITSUI PETROCHEMICAL INDUSTRIES, LTD.
2-5, Kasumigaseki 3-chome Chiyoda-ku
Tokyo / JP
Inventor(s)01 / Shibao, Kouichi, c/o Mitsui Petrochem. Ind. Ltd.
3 Chigusa Kaigran
Ichihara-shi, Chiba-ken / JP
02 / Osada, Yukinori, c/o Mitsui Petrochem. Ind. Ltd.
3 Chigusa Kaigran
Ichihara-shi, Chiba-ken / JP
03 / Shimizu, Makoto, c/o Mitsui Petrochem. Ind. Ltd.
3 Chigusa Kaigran
Ichihara-shi, Chiba-ken / JP
04 / Nishimura, Tadashi, c/o Mitsui Petrochem. Ind. Ltd
3 Chigusa Kaigran
Ichihara-shi, Chiba-ken / JP
[1992/44]
Representative(s)Lehn, Werner, et al
Hoffmann Eitle, Patent- und Rechtsanwälte, Postfach 81 04 20
81904 München / DE
[N/P]
Former [1992/44]Lehn, Werner, Dipl.-Ing., et al
Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20
D-81904 München / DE
Application number, filing date92106152.909.04.1992
[1992/44]
Priority number, dateJP1991009585825.04.1991         Original published format: JP 9585891
JP1991009775026.04.1991         Original published format: JP 9775091
[1992/44]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0510452
Date:28.10.1992
Language:EN
[1992/44]
Type: A3 Search report 
No.:EP0510452
Date:25.08.1993
Language:EN
[1993/34]
Type: B1 Patent specification 
No.:EP0510452
Date:19.08.1998
Language:EN
[1998/34]
Search report(s)(Supplementary) European search report - dispatched on:EP05.07.1993
ClassificationIPC:G06F9/44, G06F17/30, G06F17/60
[1998/34]
CPC:
G06N5/022 (EP,US); G06F15/00 (KR)
Former IPC [1992/44]G06F9/44, G06F15/40
Designated contracting statesDE,   FR,   GB,   IT,   NL [1992/44]
TitleGerman:Wissensbasis-Managementsystem für eine Informations-Schlussfolgerungsvorrichtung[1998/34]
English:A knowledge base management system for an information reasoning apparatus[1992/44]
French:Système de gestion d'une base de connaissances pour un dispositif de raisonnement informatique[1992/44]
Former [1992/44]Wissensbasis-Verwaltungssystem für eine Nachrichten-Schlussfolgerungsvorrichtung
Examination procedure22.10.1993Examination requested  [1993/51]
21.08.1997Despatch of communication of intention to grant (Approval: Yes)
23.02.1998Communication of intention to grant the patent
11.05.1998Fee for grant paid
11.05.1998Fee for publishing/printing paid
Opposition(s)20.05.1999No opposition filed within time limit [1999/32]
Fees paidRenewal fee
28.04.1994Renewal fee patent year 03
27.04.1995Renewal fee patent year 04
30.04.1996Renewal fee patent year 05
22.04.1997Renewal fee patent year 06
22.04.1998Renewal fee patent year 07
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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.
Lapses during opposition  TooltipIT19.08.1998
[2008/02]
Documents cited:Search[XP]JP04084333
 [XP]  - PATENT ABSTRACTS OF JAPAN vol. 16, no. 308 (P-1381)7 July 1992 & JP-A-04 084333 ( HITACHI LTD. ) 17 March 1992, & JP04084333 A 19920317
 [A]  - IEEE TRANSACTIONS ON NUCLEAR SCIENCE vol. 36, no. 6, December 1989, NEW YORK, NY, US pages 2450 - 2458 JOON ON YANG ET AL 'A Diagnostic Expert System for the Nuclear Power Plant based on the Hybrid Knowledge Approach'
 [A]  - PROCEEDINGS OF THE 2ND INTERNATIONAL IEEE CONFERENCE ON TOOLS FOR ARTIFICIAL INTELLIGENCE 9 November 1990, HERNDON, VA, US pages 792 - 796 YONG-QING CHENG ET AL 'A Knowledge-Based Graphic Description Tool for Understanding Engineering Drawings'
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.