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EP0809237
European procedure
Extract from the Register of European Patents
EP About this file: EP0809237
| EP0809237 - Magnetic head and magnetic disk apparatus provided therewith [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 21.06.2002 Database last updated on 21.03.2026 | Most recent event Tooltip | 21.06.2002 | No opposition filed within time limit | published on 07.08.2002 [2002/32] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo 101 / JP | [N/P] |
| Former [2001/33] | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | ||
| Former [1997/48] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | Inventor(s) | 01 /
Imagawa, Takao 3-18 Yurigaoka-cho Mito-shi, Ibaraki-ken 311-11 / JP | 02 /
Tadokoro, Shigeru No. 501 Kozu-daini-apato, 2400 Kozu Odawara-shi, Kanagawa-ken 256 / JP | 03 /
Tajima, Yasunari, No. B-104 Naito-haitsu 722-5 Nakazato, Ninomiya-machi Naka-gun, Kanagawa-ken 259-01 / JP | 04 /
Kamio, Hiroshi 183 Iidaoka Odawara-shi, Kanagawa-ken 250 / JP | [1997/48] | Representative(s) | Hackney, Nigel John, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [1997/48] | Hackney, Nigel John, et al Mewburn Ellis, York House, 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 97303307.9 | 15.05.1997 | [1997/48] | Priority number, date | JP19960124335 | 20.05.1996 Original published format: JP 12433596 | [1997/48] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0809237 | Date: | 26.11.1997 | Language: | EN | [1997/48] | Type: | B1 Patent specification | No.: | EP0809237 | Date: | 16.08.2001 | Language: | EN | [2001/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.08.1997 | Classification | IPC: | G11B5/31, G11B5/39 | [1997/48] | CPC: |
B82Y25/00 (EP,US);
G11B5/3143 (EP,US);
B82Y10/00 (EP,US);
G11B5/3903 (EP,US);
G11B5/3967 (EP,US);
G11B2005/3996 (EP,US);
Y10T428/1107 (EP,US)
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| Designated contracting states | DE, FR, GB [1997/48] | Title | German: | Magnetkopf und Plattenlaufwerk mit demselben | [2000/22] | English: | Magnetic head and magnetic disk apparatus provided therewith | [1997/48] | French: | Tête magnétique et appareil l'utilisant | [2000/22] |
| Former [1997/48] | Magnetische Platte und mit ihr ausgerüstetes Gerät | ||
| Former [1997/48] | Disque magnétique et appareil équipé du même | Examination procedure | 04.06.1997 | Examination requested [1997/48] | 16.04.1999 | Despatch of a communication from the examining division (Time limit: M06) | 08.10.1999 | Reply to a communication from the examining division | 04.09.2000 | Despatch of communication of intention to grant (Approval: Yes) | 16.11.2000 | Communication of intention to grant the patent | 07.02.2001 | Fee for grant paid | 07.02.2001 | Fee for publishing/printing paid | Opposition(s) | 17.05.2002 | No opposition filed within time limit [2002/32] | Fees paid | Renewal fee | 21.05.1999 | Renewal fee patent year 03 | 23.05.2000 | Renewal fee patent year 04 | 22.05.2001 | 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 | [YPA] JPH08115511 [A] 7,10,19,22 | [YPA] PATENT ABSTRACTS OF JAPAN vol. 096, no. 009 30 September 1996 (1996-09-30) [YP] 1-6,13-18 * abstract *[A] 7,10,19,22 | [YA] MIURA M ET AL: "Annealing behavior of magnetic anisotropy in CoNbZr films", IEEE TRANSACTIONS ON MAGNETICS, SEPT. 1988, USA, vol. 24, no. 5, ISSN 0018-9464, pages 2215 - 2220, XP002035282 [Y] 1-6,13-18 * abstract * [A] 7,10,19,22 DOI: http://dx.doi.org/10.1109/20.3430 |