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Extract from the Register of European Patents

EP About this file: EP0311047

EP0311047 - Dynamic random access memory [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.05.1994
Database last updated on 26.06.2024
Most recent event   Tooltip19.05.1994No opposition filed within time limitpublished on 06.07.1994 [1994/27]
Applicant(s)For all designated states
FUJITSU LIMITED
1015, Kamikodanaka, Nakahara-ku Kawasaki-shi
Kanagawa 211 / JP
For all designated states
FUJITSU VLSI LIMITED
1844-2, Kozoji-cho 2-chome Kasugai-shi
Aichi 487 / JP
[N/P]
Former [1989/15]For all designated states
FUJITSU LIMITED
1015, Kamikodanaka, Nakahara-ku
Kawasaki-shi, Kanagawa 211 / JP
For all designated states
FUJITSU VLSI LIMITED
1844-2, Kozoji-cho 2-chome
Kasugai-shi Aichi 487 / JP
Inventor(s)01 / Mochizuki, Hirohiko
2393-1, Arima Miyamae-ku
Kawasaki-shi Kanagawa, 213 / JP
02 / Ohira, Tsuyoshi
926-102, Shimosakunobe Takatsu-ku
Kawasaki-shi Kanagawa, 213 / JP
03 / Kodama, Yukinori
7-3-38, Kikuna Kohoku-ku
Yokohama-shi Kanagawa, 222 / JP
04 / Kobayashi, Meiko
5-26-8-903, Kamata
Ota-ku Tokyo, 144 / JP
05 / Furuyama, Takaaki
878, Shimonoge Takatsu-ku
Kawasaki-shi Kanagawa, 213 / JP
[1989/15]
Representative(s)Schmidt-Evers, Jürgen, et al
Mitscherlich PartmbB
Patent- und Rechtsanwälte
Postfach 33 06 09
80066 München / DE
[N/P]
Former [1989/15]Schmidt-Evers, Jürgen, Dipl.-Ing., et al
Patentanwälte Mitscherlich & Partner Postfach 33 06 09
D-80066 München / DE
Application number, filing date88116484.205.10.1988
[1989/15]
Priority number, dateJP1987025198306.10.1987         Original published format: JP 25198387
[1989/15]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0311047
Date:12.04.1989
Language:EN
[1989/15]
Type: A3 Search report 
No.:EP0311047
Date:20.03.1991
Language:EN
[1991/12]
Type: B1 Patent specification 
No.:EP0311047
Date:14.07.1993
Language:EN
[1993/28]
Search report(s)(Supplementary) European search report - dispatched on:EP31.01.1991
ClassificationIPC:G11C11/24
[1989/15]
CPC:
G11C11/34 (KR); G11C11/408 (EP,US); G11C8/14 (EP,US);
G11C8/18 (EP,US)
Designated contracting statesDE,   FR,   GB [1989/15]
TitleGerman:Dynamischer RAM-Speicher[1989/15]
English:Dynamic random access memory[1989/15]
French:Mémoire RAM dynamique[1989/15]
Examination procedure05.07.1991Examination requested  [1991/39]
07.09.1992Despatch of communication of intention to grant (Approval: Yes)
15.12.1992Communication of intention to grant the patent
15.03.1993Fee for grant paid
15.03.1993Fee for publishing/printing paid
Opposition(s)15.04.1994No opposition filed within time limit [1994/27]
Fees paidRenewal fee
31.10.1990Renewal fee patent year 03
31.10.1991Renewal fee patent year 04
28.10.1992Renewal fee patent year 05
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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[A]US4144590  (KITAGAWA NORIHISA, et al);
 [A]EP0023329  (TOSHIBA KK [JP]);
 [A]EP0145488  (FUJITSU LTD [JP])
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.