EP0657884 - Magnetic recording medium, method of producing it, and magnetic recording apparatus using it [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.07.1999 Database last updated on 21.05.2024 | Most recent event Tooltip | 09.07.1999 | No opposition filed within time limit | published on 25.08.1999 [1999/34] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo / JP | [N/P] |
Former [1995/24] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Yonezawa, Seiji 2-6-11, Mejirodai Hachioji-shi, Tokyo / JP | 02 /
Kataoka, Keiji 728-19, Imafuku Kawagoe-shi, Saitama / JP | 03 /
Fukke, Hajime 5-8-15-201, Ochiai Tama-shi, Toyko / JP | 04 /
Terasawa, Tsuneo E-404, 2-32, Koyasucho Hachioji-shi, Toyko / JP | 05 /
Kato, Keizo 1-48-18, Akatsukicho Hachioji-shi, Toyko / JP | 06 /
Miyamoto, Harukazu 1-31-9-404, Josuihoncho Kadaira-shi, Tokyo / JP | 07 /
Kinstätter, Klaus Altenburger Strasse 85 D-8600 Bamberg / DE | 08 /
Ito, Masaru 3-9-16, Aihara Sagamihara-shi, Kanagawa / JP | 09 /
Ohta, Norio 306-462, Shinkou Iruma-shi, Saitama / JP | [1998/36] |
Former [1995/24] | 01 /
Yonezawa, Seiji 2-6-11, Mejirodai Hachioji-shi, Tokyo / JP | ||
02 /
Kataoka, Keiji 728-19, Imafuku Kawagoe-shi, Saitama / JP | |||
03 /
Fukke, Hajime 5-8-15-201, Ochiai Tama-shi, Toyko / JP | |||
04 /
Terasawa, Tsuneo E-404, 2-32, Koyasucho Hachioji-shi, Toyko / JP | |||
05 /
Kato, Keizo 1-48-18, Akatsukicho Hachioji-shi, Toyko / JP | |||
06 /
Miyamoto, Harukazu 1-31-9-404, Josuihoncho Kadaira-shi, Tokyo / JP | |||
07 /
Kinstätter, Klaus Altenburger Strasse 85 D-8600 Bamberg / DE | |||
08 /
Ito, Masaru 3-9-16, Aihara Sagamihara-shi, Kanagawa / JP | |||
09 /
Ohta, Norio 306,462, Shinkou Iruma-shi, Saitama / JP | Representative(s) | Strehl Schübel-Hopf & Partner Maximilianstrasse 54 80538 München / DE | [N/P] |
Former [1995/24] | Strehl Schübel-Hopf Groening & Partner Maximilianstrasse 54 D-80538 München / DE | Application number, filing date | 95101862.1 | 11.01.1990 | [1995/24] | Priority number, date | JP19890002736 | 11.01.1989 Original published format: JP 273689 | JP19890017633 | 30.01.1989 Original published format: JP 1763389 | JP19890031034 | 13.02.1989 Original published format: JP 3103489 | JP19890038220 | 20.02.1989 Original published format: JP 3822089 | JP19890060967 | 15.03.1989 Original published format: JP 6096789 | JP19890101623 | 24.04.1989 Original published format: JP 10162389 | JP19890154570 | 19.06.1989 Original published format: JP 15457089 | [1995/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0657884 | Date: | 14.06.1995 | Language: | EN | [1995/24] | Type: | B1 Patent specification | No.: | EP0657884 | Date: | 02.09.1998 | Language: | EN | [1998/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.04.1995 | Classification | IPC: | G11B20/12, G11B5/84, G11B5/858 | [1995/24] | CPC: |
B82Y10/00 (EP,US);
G09B5/065 (EP,US);
G11B19/02 (EP,US);
G11B20/1252 (EP,US);
G11B27/034 (EP,US);
G11B27/105 (EP,US);
G11B27/19 (EP,US);
G11B27/28 (EP,US);
G11B5/012 (EP,US);
G11B5/5526 (EP,US);
G11B5/58 (EP,US);
G11B5/596 (EP,US);
G11B5/59633 (EP,US);
G11B5/62 (EP,US);
G11B5/74 (EP,US);
G11B5/743 (EP,US);
G11B5/82 (EP,US);
G11B5/84 (EP,US);
G11B5/855 (EP,US);
G11B2020/1259 (EP,US);
G11B2220/211 (EP,US);
G11B2220/2537 (EP,US)
(-)
| Designated contracting states | DE, FR, GB [1995/24] | Title | German: | Verfahren zum magnetischen Aufzeichnen und Wiedergeben von Daten, magnetischer Auzeichnungsträger, sein Herstellungsverfahren und Gerät zur magnetischen Aufzeichnung | [1995/24] | English: | Magnetic recording medium, method of producing it, and magnetic recording apparatus using it | [1995/24] | French: | Procédé pour l'enregistrement magnétique et la lecture de données, milieu d'eregistrement, son procédé de production et appareil d'enregistrement magnétique | [1995/24] | Examination procedure | 28.02.1995 | Examination requested [1995/24] | 04.09.1996 | Despatch of a communication from the examining division (Time limit: M06) | 14.03.1997 | Reply to a communication from the examining division | 16.10.1997 | Despatch of communication of intention to grant (Approval: Yes) | 06.03.1998 | Communication of intention to grant the patent | 10.06.1998 | Fee for grant paid | 10.06.1998 | Fee for publishing/printing paid | Parent application(s) Tooltip | EP90100547.0 / EP0378222 | Opposition(s) | 03.06.1999 | No opposition filed within time limit [1999/34] | Fees paid | Renewal fee | 28.02.1995 | Renewal fee patent year 03 | 28.02.1995 | Renewal fee patent year 04 | 28.02.1995 | Renewal fee patent year 05 | 28.02.1995 | Renewal fee patent year 06 | 29.01.1996 | Renewal fee patent year 07 | 27.01.1997 | Renewal fee patent year 08 | 27.01.1998 | Renewal fee patent year 09 |
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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 | [X]JPS58111130 ; | [X]EP0120990 (IBM [US]) [X] 6 * page 1, paragraph 2 * * page 3, paragraph 3 - paragraph 4 ** figures 1-4 *; | [X]FR2617627 (SONY CORP [JP]) [X] 1,2; | [XP]GB2206723 (SONY CORP) [XP] 1,2 * page 1, line 18 - page 1, line 29 * * page 3, line 35 - page 4, line 18 * * page 5, line 1 - line 12 * | [X] - PATENT ABSTRACTS OF JAPAN, (19830924), vol. 7, no. 216, Database accession no. (P - 225), & JP58111130 A 19830702 (SHIN SHIGRO ET AL.) [X] 1 * abstract * |