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EP0327315
European procedure
Extract from the Register of European Patents
EP About this file: EP0327315
| EP0327315 - Magneto-optic recording medium and method for magneto-optically recording on said medium [Right-click to bookmark this link] | |||
| Former [1989/32] | Magneto-optic recording/reproducing method and device and magneto-optic recording medium used for them | ||
| [1995/01] | Status | No opposition filed within time limit Status updated on 04.11.1995 Database last updated on 12.07.2024 | Most recent event Tooltip | 04.11.1995 | No opposition filed within time limit | published on 27.12.1995 [1995/52] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1989/32] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Sukeda, Hirofumi Hitachi Daini Kyoshinryo 1-3 Higashikoigakubo-3-chome Kokubunji-shi / JP | 02 /
Kato, Keizo Hitachi Owadaryo 48-18 Akatsukicho-1-chome Hachioji-shi / JP | [1989/32] | Representative(s) | Senior, Alan Murray, et al J A Kemp 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
| Former [1995/01] | Senior, Alan Murray, et al J.A. KEMP & CO., 14 South Square, Gray's Inn London WC1R 5LX / GB | ||
| Former [1989/32] | Williams, Trevor John J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5EU / GB | Application number, filing date | 89300934.0 | 31.01.1989 | [1989/32] | Priority number, date | JP19880021953 | 03.02.1988 Original published format: JP 2195388 | [1989/32] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0327315 | Date: | 09.08.1989 | Language: | EN | [1989/32] | Type: | A3 Search report | No.: | EP0327315 | Date: | 12.12.1990 | Language: | EN | [1990/50] | Type: | B1 Patent specification | No.: | EP0327315 | Date: | 04.01.1995 | Language: | EN | [1995/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.10.1990 | Classification | IPC: | G11B11/10 | [1989/32] | CPC: |
G11B11/10528 (EP,US);
G11B11/10508 (EP,US);
G11B11/10515 (EP,US);
G11B11/1053 (EP,US);
G11B11/10578 (EP,US);
G11B11/10582 (EP,US)
| Designated contracting states | FR, GB [1989/32] | Title | German: | Magneto-optisches Aufzeichnungsmedium und Verfahren um auf dieses Medium aufzuzeichnen | [1995/01] | English: | Magneto-optic recording medium and method for magneto-optically recording on said medium | [1995/01] | French: | Milieu d'enregistrement magnéto-optique et méthode pour enregistrer "magnéto-optiquement" sur le ledit milieu | [1995/01] |
| Former [1989/32] | Magneto-optisches Aufzeichnungs/Wiedergabeverfahren und -vorrichtung sowie dazu benutztes magneto-optisches Aufzeichnungsmedium | ||
| Former [1989/32] | Magneto-optic recording/reproducing method and device and magneto-optic recording medium used for them | ||
| Former [1989/32] | Méthode et dispositif d'enregistrement/reproduction magnéto-optique et milieu d'enregistrement magnéto-optique utilisé à cet effet | Examination procedure | 02.05.1991 | Examination requested [1991/27] | 14.04.1993 | Despatch of a communication from the examining division (Time limit: M06) | 05.10.1993 | Reply to a communication from the examining division | 11.03.1994 | Despatch of communication of intention to grant (Approval: Yes) | 11.07.1994 | Communication of intention to grant the patent | 21.09.1994 | Fee for grant paid | 21.09.1994 | Fee for publishing/printing paid | Opposition(s) | 05.10.1995 | No opposition filed within time limit [1995/52] | Fees paid | Renewal fee | 17.12.1990 | Renewal fee patent year 03 | 10.01.1992 | Renewal fee patent year 04 | 15.01.1993 | Renewal fee patent year 05 | 11.01.1994 | 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]JP62095754 ; | [A]JP57186247 ; | [A]JP56105344 ; | [A]JP57074852 ; | [A]JP57186214 ; | [X]US3510658 (RABEDEAU MELBOURNE E); | [Y]US4176377 (HOWE DENNIS G [US]); | [A]US4516234 (NAKAGAWA SHIRO [JP], et al); | [A]US3696346 (ZOOK JAMES DAVID) | [A] - PATENT ABSTRACTS OF JAPAN vol. 11, no. 305 (P-623)(2752) 06 October 1987, & JP-A-62 095754 (NIPPON SHEET GLASS CO LTD) 02 May 1987,, & JP62095754 A 19870502 | [A] - PATENT ABSTRACTS OF JAPAN vol. 7, no. 32 (P-174)(1177) 08 February 1983, & JP-A-57 186247 (FUJI XEROX K.K.) 16 November 1982,, & JP57186247 A 19821116 | [A] - PATENT ABSTRACTS OF JAPAN vol. 5, no. 175 (P-88)(847) 11 October 1981, & JP-A-56 105344 (FUJI SHASHIN FILM K.K.) 21 August 1981,, & JP56105344 A 19810821 | [A] - PATENT ABSTRACTS OF JAPAN vol. 6, no. 156 (P-135)(1034) 17 August 1982, & JP-A-57 074852 (SHARP K.K.) 11 May 1982,, & JP57074852 A 19820511 | [A] - PATENT ABSTRACTS OF JAPAN vol. 7, no. 32 (P-174)(1177) 08 February 1983, & JP-A-57 186214 (RICOH K.K.) 16 November 1982,, & JP57186214 A 19821116 |