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EP0831358
European procedure
Extract from the Register of European Patents
EP About this file: EP0831358
| EP0831358 - Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.12.2004 Database last updated on 17.07.2024 | Most recent event Tooltip | 10.12.2004 | No opposition filed within time limit | published on 26.01.2005 [2005/04] | Applicant(s) | For all designated states Sony Corporation 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | [N/P] |
| Former [2004/06] | For all designated states SONY CORPORATION 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | ||
| Former [1998/13] | For all designated states SONY CORPORATION 7-35 Kitashinagawa 6-chome, Shinagawa-ku Tokyo / JP | Inventor(s) | 01 /
Yasuda, Akio c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | 02 /
Nito, Keiichi c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | 03 /
Matsui, Eriko c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | 04 /
Takanashi, Hidehiko c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | 05 /
Bao, Yang Ying c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | [1998/13] | Representative(s) | Müller, Frithjof E. Müller Hoffmann & Partner Patentanwälte Innere Wiener Strasse 17 81667 München / DE | [N/P] |
| Former [1998/13] | Müller, Frithjof E., Dipl.-Ing. Patentanwälte MÜLLER & HOFFMANN, Innere Wiener Strasse 17 81667 München / DE | Application number, filing date | 97120504.2 | 22.10.1993 | [1998/13] | Priority number, date | JP19920309238 | 24.10.1992 Original published format: JP 30923892 | JP19920309239 | 24.10.1992 Original published format: JP 30923992 | JP19920341719 | 26.11.1992 Original published format: JP 34171992 | JP19930238973 | 31.08.1993 Original published format: JP 23897393 | JP19930262951 | 27.09.1993 Original published format: JP 26295193 | [1998/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0831358 | Date: | 25.03.1998 | Language: | EN | [1998/13] | Type: | A3 Search report | No.: | EP0831358 | Date: | 08.04.1998 | [1998/15] | Type: | B1 Patent specification | No.: | EP0831358 | Date: | 04.02.2004 | Language: | EN | [2004/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.02.1998 | Classification | IPC: | G02F1/141, G02F1/1333 | [1998/13] | CPC: |
G02F1/133707 (EP,KR,US);
G02F1/133711 (EP,US);
G02F1/133734 (EP,US);
G02F1/141 (EP,KR,US);
G09G3/3651 (KR);
G02F1/133796 (EP,US);
G02F2203/30 (EP,US)
(-)
| Designated contracting states | DE, FR, GB, NL [1998/13] | Title | German: | Flüssigkristallvorrichtungen mit einer Vielzahl von Domänen mit unterschiedlichen Schwellenspannungen zum Schalten von Flüssigkristallen | [1998/13] | English: | Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals | [1998/13] | French: | Dispositifs à cristaux liquides comportant plusieurs domaines à tensions de seuil différentes pour commuter des cristaux liquides | [1998/13] | Examination procedure | 21.11.1997 | Examination requested [1998/13] | 18.07.2002 | Despatch of a communication from the examining division (Time limit: M04) | 22.11.2002 | Reply to a communication from the examining division | 22.01.2003 | Despatch of a communication from the examining division (Time limit: M04) | 22.05.2003 | Reply to a communication from the examining division | 08.08.2003 | Communication of intention to grant the patent | 19.11.2003 | Fee for grant paid | 19.11.2003 | Fee for publishing/printing paid | Parent application(s) Tooltip | EP93117177.1 / EP0595219 | Opposition(s) | 05.11.2004 | No opposition filed within time limit [2005/04] | Fees paid | Renewal fee | 21.11.1997 | Renewal fee patent year 03 | 21.11.1997 | Renewal fee patent year 04 | 21.11.1997 | Renewal fee patent year 05 | 12.10.1998 | Renewal fee patent year 06 | 14.10.1999 | Renewal fee patent year 07 | 11.10.2000 | Renewal fee patent year 08 | 11.10.2001 | Renewal fee patent year 09 | 15.10.2002 | Renewal fee patent year 10 | 14.10.2003 | Renewal fee patent year 11 |
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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 | [XD]JPH03276126 ; | [A]EP0240010 (CANON KK [JP]) [A] 1 * column 2, line 1 - line 24 * * figures 9-11; claims 1,4-11 *; | [XD] - PATENT ABSTRACTS OF JAPAN, (19920310), vol. 016, no. 096, Database accession no. (P - 1322), & JP03276126 A 19911206 (MATSUSHITA ELECTRIC IND CO LTD) [XD] 1,3,9 * abstract * | [A] - VERHULST A G H ET AL, "The texture method: an analog gray-scale technique for SSFLC displays based on local reorientation of the smectic layers", PROCEEDINGS OF THE S.I.D, 1991, USA, ISSN 0734-1768, vol. 32, no. 4, pages 379 - 386, XP000281863 [A] 1 * abstract; sections I,VI * |