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EP0225141
European procedure
Extract from the Register of European Patents
EP About this file: EP0225141
| EP0225141 - Magneto-optical recording media [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.05.1992 Database last updated on 15.05.2024 | Most recent event Tooltip | 28.05.1992 | No opposition filed within time limit | published on 15.07.1992 [1992/29] | Applicant(s) | For all designated states Sony Corporation 7-35 Kitashinagawa 6-chome Shinagawa-ku Tokyo 141 / JP | [N/P] |
| Former [1987/24] | For all designated states SONY CORPORATION 7-35 Kitashinagawa 6-chome Shinagawa-ku Tokyo 141 / JP | Inventor(s) | 01 /
Horimai, Hideyoshi c/o Patents Division Sony Corporation 6-7-35 Kitashinagawa 6-chome Shinagawa-kuöTokyo 141 / JP | 02 /
Aoki, Yoshio c/o Patents Division Sony Corporation 6-7-35 Kitashinagawa 6-chome Shinagawa-kuöTokyo 141 / JP | 03 /
Watanabe, Kenjiro c/o Patents Division Sony Corporation 6-7-35 Kitashinagawa 6-chome Shinagawa-kuöTokyo 141 / JP | [1991/30] |
| Former [1987/24] | 01 /
Horimai, Hideyoshiöc/o Patents Division Sony Corporation 6-7-35 Kitashinagawa 6-chome Shinagawa-kuöTokyo 141 / JP | ||
| 02 /
Aoki, Yoshioöc/o Patents Division Sony Corporation 6-7-35 Kitashinagawa 6-chome Shinagawa-kuöTokyo 141 / JP | |||
| 03 /
Watanabe, Kenjiroöc/o Patents Division Sony Corporation 6-7-35 Kitashinagawa 6-chome Shinagawa-kuöTokyo 141 / JP | Representative(s) | Pilch, Adam John Michael, et al D Young & Co 120 Holborn London EC1N 2DY / GB | [N/P] |
| Former [1987/24] | Pilch, Adam John Michael, et al D. YOUNG & CO., 21 New Fetter Lane London EC4A 1DA / GB | Application number, filing date | 86309125.2 | 21.11.1986 | [1987/24] | Priority number, date | JP19850267779 | 28.11.1985 Original published format: JP 26777985 | [1987/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0225141 | Date: | 10.06.1987 | Language: | EN | [1987/24] | Type: | A3 Search report | No.: | EP0225141 | Date: | 03.08.1988 | Language: | EN | [1988/31] | Type: | B1 Patent specification | No.: | EP0225141 | Date: | 24.07.1991 | Language: | EN | [1991/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.06.1988 | Classification | IPC: | G11B13/04, G11B11/10 | [1987/24] | CPC: |
G11B11/10508 (EP);
G11B5/672 (EP,US);
G11B11/10521 (EP);
G11B11/10586 (EP);
G11B11/10591 (EP)
| Designated contracting states | DE, FR, GB, NL [1987/24] | Title | German: | Magnetooptisches Aufzeichnungsmedium | [1987/24] | English: | Magneto-optical recording media | [1987/24] | French: | Milieu d'enregistrement magnéto-optique | [1987/24] | Examination procedure | 08.12.1988 | Examination requested [1989/05] | 12.04.1990 | Despatch of a communication from the examining division (Time limit: M06) | 21.10.1990 | Reply to a communication from the examining division | 26.11.1990 | Despatch of communication of intention to grant (Approval: Yes) | 23.01.1991 | Communication of intention to grant the patent | 16.03.1991 | Fee for grant paid | 16.03.1991 | Fee for publishing/printing paid | Opposition(s) | 25.04.1992 | No opposition filed within time limit [1992/29] | Fees paid | Renewal fee | 11.11.1988 | Renewal fee patent year 03 | 19.11.1989 | Renewal fee patent year 04 | 13.11.1990 | Renewal fee patent year 05 | 21.12.1990 | Renewal fee patent year 06 |
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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]JP53039705 ; | [A]EP0051296 (DAIDO STEEL CO LTD [JP]); | [A]FR2550647 (XEROX CORP [US]) | [A] - IEEE TRANSACTIONS ON MAGNETICS, vol. MAG-21, no. 5, September 1985, pages 1624-1628, New York, US; Y. AOKI et al.: "A magneto-optic recording system using TbFeCo" | [A] - PATENT ABSTRACTS OF JAPAN, vol. 2, no. 75, 14th June 1978; & JP-A-53 039 705 (FUJITSU) 04-11-1978, & JP53039705 A 00000000 | Examination | - Japanese Journal of Applied Physics, vol. 20, no. 11, 1981, pages 2089-2095 |