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EP0777346
European procedure
Extract from the Register of European Patents
EP About this file: EP0777346
| EP0777346 - Optical amplifier [Right-click to bookmark this link] | |||
| Former [1997/23] | Optical amplifier and optical communication system employing the same | ||
| [2004/30] | Status | No opposition filed within time limit Status updated on 02.12.2005 Database last updated on 15.06.2024 | Most recent event Tooltip | 02.12.2005 | No opposition filed within time limit | published on 18.01.2006 [2006/03] | Applicant(s) | For all designated states FUJITSU LIMITED 1-1, Kamikodanaka 4-chome, Nakahara-ku Kawasaki-shi Kanagawa 211-8588 / JP | [N/P] |
| Former [2005/04] | For all designated states FUJITSU LIMITED 1-1, Kamikodanaka 4-chome, Nakahara-ku Kawasaki-shi, Kanagawa 211-8588 / JP | ||
| Former [1997/23] | For all designated states FUJITSU LIMITED 1-1, Kamikodanaka 4-chome, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | Inventor(s) | 01 /
Onaka, Hiroshi, c/o Fujitsu Limited 1-1, Kamikodanaka 4-chome, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | 02 /
Miyata, Hideyuki, Fujitsu Limited 1-1, Kamikodanaka 4-chome, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | 03 /
Otsuka, Kazue, Fujitsu Limited 1-1, Kamikodanaka 4-chome, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | [1997/23] | Representative(s) | von Fischern, Bernhard, et al Hoffmann - Eitle Patent- und Rechtsanwälte Arabellastrasse 4 81925 München / DE | [N/P] |
| Former [1997/23] | Ritter und Edler von Fischern, Bernhard, Dipl.-Ing., et al Hoffmann, Eitle & Partner, Patentanwälte, Arabellastrasse 4 81925 München / DE | Application number, filing date | 96118992.5 | 27.11.1996 | [1997/23] | Priority number, date | JP19950311212 | 29.11.1995 Original published format: JP 31121295 | [1997/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0777346 | Date: | 04.06.1997 | Language: | EN | [1997/23] | Type: | A3 Search report | No.: | EP0777346 | Date: | 11.08.1999 | [1999/32] | Type: | B1 Patent specification | No.: | EP0777346 | Date: | 26.01.2005 | Language: | EN | [2005/04] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.06.1999 | Classification | IPC: | H04B10/17, H04J14/02 | [1997/23] | CPC: |
H04B10/296 (EP,US);
H01S3/06754 (EP,US);
H01S3/13013 (EP,US);
H04B10/291 (EP,US);
H04B10/2912 (EP,US);
H04B10/2931 (EP,US);
H04B10/2942 (EP,US);
H04J14/0221 (EP,US);
H01S2301/04 (EP,US);
| Designated contracting states | DE, FR, GB [1997/23] | Title | German: | Optischer Verstärker | [2004/30] | English: | Optical amplifier | [2004/30] | French: | Amplificateur optique | [2004/30] |
| Former [1997/23] | Optischer Verstärker und diesen verwendendes optisches Übertragungssystem | ||
| Former [1997/23] | Optical amplifier and optical communication system employing the same | ||
| Former [1997/23] | Amplificateur optique et système de communication optique l'utilisant | Examination procedure | 10.09.1999 | Examination requested [1999/45] | 17.10.2003 | Despatch of a communication from the examining division (Time limit: M04) | 18.02.2004 | Reply to a communication from the examining division | 14.07.2004 | Communication of intention to grant the patent | 05.11.2004 | Fee for grant paid | 05.11.2004 | Fee for publishing/printing paid | Divisional application(s) | EP04006085.7 / EP1427119 | EP06007902.7 / EP1675284 | Opposition(s) | 27.10.2005 | No opposition filed within time limit [2006/03] | Fees paid | Renewal fee | 26.11.1998 | Renewal fee patent year 03 | 26.11.1999 | Renewal fee patent year 04 | 20.11.2000 | Renewal fee patent year 05 | 26.11.2001 | Renewal fee patent year 06 | 25.11.2002 | Renewal fee patent year 07 | 26.11.2003 | Renewal fee patent year 08 | 23.11.2004 | 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 | [XA]EP0663738 (ALCATEL NV [NL]) [X] 15,16,18,22 * column 1, lines 1-14 * * column 1, lines 38-57 * * column 2, line 54 - column 3, line 34 * * column 3, line 45 - column 4, line 4 * [A] 1,19; | [XA]GB2280561 (NORTHERN TELECOM LTD [CA]) [X] 19,21 * page 1, lines 1-3 * * page 2, lines 22-30 * * page 3, line 30 - page 4, line 9 * * page 5, lines 18-32 * [A] 1,15,22; | [XA]EP0497491 (AMERICAN TELEPHONE & TELEGRAPH [US]) [X] 22 * column 1, lines 3-5 * * column 1, lines 42-52 * * column 1, line 56 - column 2, line 15 * * column 2, lines 55-58 * * column 3, lines 9-20 * * column 4, lines 6-13 * [A] 1,15,19; | [A]US5311347 (KUBO SUSUMU [JP], et al) [A] 1,15,19,21,22 * column 1, lines 7-13 * * column 1, lines 25-44 * * column 4, lines 32-47 * * column 5, lines 11-43 * |