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EP0558948
European procedure
Extract from the Register of European Patents
EP About this file: EP0558948
| EP0558948 - An optical semiconductor apparatus, a method of driving the same and an optical transmission system using the same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.05.1999 Database last updated on 18.01.2025 | Most recent event Tooltip | 28.12.2007 | Lapse of the patent in a contracting state New state(s): IT | published on 30.01.2008 [2008/05] | Applicant(s) | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | [N/P] |
| Former [1993/36] | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | Inventor(s) | 01 /
Ouchi, Toshihiko, c/o Canon Kabushiki Kaisha 3-30-2 Shimomaruko Ohta-ku, Tokyo / JP | 02 /
Sakata, Hajime, c/o Canon Kabushiki Kaisha 3-30-2 Shimomaruko Ohta-ku, Tokyo / JP | [1993/36] | Representative(s) | Tiedtke, Harro Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 80336 München / DE | [N/P] |
| Former [1993/36] | Tiedtke, Harro, Dipl.-Ing. Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE | Application number, filing date | 93101757.8 | 04.02.1993 | [1993/36] | Priority number, date | JP19920056385 | 06.02.1992 Original published format: JP 5638592 | [1993/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0558948 | Date: | 08.09.1993 | Language: | EN | [1993/36] | Type: | B1 Patent specification | No.: | EP0558948 | Date: | 08.07.1998 | Language: | EN | [1998/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.05.1993 | Classification | IPC: | H01L27/14, H01S3/18 | [1993/36] | CPC: |
H01S5/1032 (EP,US);
H01S5/0264 (EP,US);
G02F2/002 (EP,US);
H01S5/026 (EP,US);
H01S5/06256 (EP,US);
H01S5/1035 (EP,US);
| Designated contracting states | DE, FR, GB, IT, NL [1993/36] | Title | German: | Optische Halbleitervorrichtung, Methode zu ihrem Betrieb und ein diese Vorrichtung verwendendes optisches Übertragungssystem | [1993/36] | English: | An optical semiconductor apparatus, a method of driving the same and an optical transmission system using the same | [1993/36] | French: | Appareil semi-conducteur optique, procédé pour entraîner celui-ci et système de transmission optique utilisant celui-ci | [1993/36] | Examination procedure | 25.01.1994 | Examination requested [1994/13] | 13.11.1996 | Despatch of a communication from the examining division (Time limit: M06) | 16.05.1997 | Reply to a communication from the examining division | 25.08.1997 | Despatch of communication of intention to grant (Approval: Yes) | 13.01.1998 | Communication of intention to grant the patent | 14.04.1998 | Fee for grant paid | 14.04.1998 | Fee for publishing/printing paid | Opposition(s) | 09.04.1999 | No opposition filed within time limit [1999/26] | Fees paid | Renewal fee | 16.02.1995 | Renewal fee patent year 03 | 27.02.1996 | Renewal fee patent year 04 | 27.02.1997 | Renewal fee patent year 05 | 26.02.1998 | 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. | Lapses during opposition Tooltip | IT | 08.07.1998 | NL | 08.07.1998 | [2008/05] |
| Former [2003/07] | NL | 08.07.1998 | Documents cited: | Search | [A]US3902133 (WATTS RODERICK KENT); | [A]EP0238082 (SIEMENS AG [DE]); | [A]DE3715071 (KOKUSAI DENSHIN DENWA CO LTD [JP]) |