| EP0487288 - Synchronous dynamic random access memory [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.12.1996 Database last updated on 28.03.2026 | Most recent event Tooltip | 19.12.1996 | No opposition filed within time limit | published on 05.02.1997 [1997/06] | Applicant(s) | For all designated states Oki Electric Industry Co., Ltd. 7-12, Toranomon 1-chome Minato-ku Tokyo / JP | [N/P] |
| Former [1992/22] | For all designated states Oki Electric Industry Co., Ltd. 7-12, Toranomon 1-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Takasugi, Atsushi, c/o Oki Electric Ind. Co., Ltd. 7-12 Toranomon 1-chome, Minato-ku Tokyo / JP | [1992/22] | Representative(s) | Read, Matthew Charles, et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD / GB | [N/P] |
| Former [1992/22] | Read, Matthew Charles, et al Venner Shipley & Co. 20 Little Britain London EC1A 7DH / GB | Application number, filing date | 91310630.8 | 19.11.1991 | [1992/22] | Priority number, date | JP19900316523 | 20.11.1990 Original published format: JP 31652390 | [1992/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0487288 | Date: | 27.05.1992 | Language: | EN | [1992/22] | Type: | A3 Search report | No.: | EP0487288 | Date: | 21.10.1992 | Language: | EN | [1992/43] | Type: | A1 / A2 RE Reissue of A-publication | No.: | EP0487288 | Date: | 01.08.1995 | [1995/38] | Type: | A1 / A2 RE Reissue of A-publication | No.: | EP0487288 | Date: | 22.08.1995 | [1995/41] | Type: | B1 Patent specification | No.: | EP0487288 | Date: | 07.02.1996 | [1996/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.09.1992 | Classification | IPC: | G11C11/408, G11C11/409, G11C11/407 | [1992/22] | CPC: |
G11C11/4076 (EP,US);
G11C11/40 (KR);
G11C11/4082 (EP,US);
G11C11/4096 (EP,US)
| Designated contracting states | DE, FR, GB, NL [1992/22] | Title | German: | Synchroner dynamischer Direktzugriffspeicher | [1992/22] | English: | Synchronous dynamic random access memory | [1992/22] | French: | Mémoire dynamique synchrone à accès aléatoire | [1992/22] | Examination procedure | 19.01.1993 | Examination requested [1993/11] | 20.02.1995 | Despatch of communication of intention to grant (Approval: No) | 13.06.1995 | Despatch of a communication from the examining division (Time limit: M04) | 28.07.1995 | Reply to a communication from the examining division | 02.08.1995 | Despatch of communication of intention to grant (Approval: later approval) | 08.08.1995 | Communication of intention to grant the patent | 11.10.1995 | Fee for grant paid | 11.10.1995 | Fee for publishing/printing paid | Opposition(s) | 08.11.1996 | No opposition filed within time limit [1997/06] | Fees paid | Renewal fee | 23.09.1993 | Renewal fee patent year 03 | 17.11.1994 | Renewal fee patent year 04 | 16.11.1995 | Renewal 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] IBM TECHNICAL DISCLOSURE BULLETIN. vol. 31, no. 8, January 1989, NEW YORK US pages 47 - 49; 'Method providing wait-state processor cycles using medium speed dynamic RAM' [A] |