EP0411131 - WAVELENGTH STABILIZED SOURCE OF LIGHT [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 05.11.1994 Database last updated on 12.07.2024 | Most recent event Tooltip | 05.11.1994 | No opposition filed within time limit | published on 28.12.1994 [1994/52] | Applicant(s) | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | [N/P] |
Former [1991/06] | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | Inventor(s) | 01 /
CHIBA, Kazuharu 6-28-36, Kitaterao Tsurumi-ku Yokohama-shi Kanagawa 230 / JP | 02 /
NAKAJIMA, Yoshifumi 3-9-19-302, Miyamaedaira Miyamae-ku Kawasaki-shi Kanagawa 211 / JP | 03 /
SUMIYOSHI, Hideo 1144-B-201, Kizuki Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | [1994/01] |
Former [1991/06] | 01 /
CHIBA, Kazuharu 6-18-36, Kitaterao Tsurumi-ku Yokohama-shi Kanagawa 230 / JP | ||
02 /
NAKAJIMA, Yoshifumi 3-9-19-302, Miyamaedaira Miyamae-ku Kawasaki-shi Kanagawa 211 / JP | |||
03 /
SUMIYOSHI, Hideo 1144-B-201, Kizuki Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | Representative(s) | Lehn, Werner, et al Hoffmann Eitle, Patent- und Rechtsanwälte, Postfach 81 04 20 81904 München / DE | [N/P] |
Former [1991/06] | Lehn, Werner, Dipl.-Ing., et al Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20 D-81904 München / DE | Application number, filing date | 89909859.4 | 01.09.1989 | [1991/06] | WO1989JP00899 | Priority number, date | JP19880221816 | 05.09.1988 Original published format: JP 22181688 | [1991/06] | Filing language | JA | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9003054 | Date: | 22.03.1990 | Language: | EN | [1990/07] | Type: | A1 Application with search report | No.: | EP0411131 | Date: | 06.02.1991 | Language: | EN | The application published by WIPO in one of the EPO official languages on 22.03.1990 takes the place of the publication of the European patent application. | [1991/06] | Type: | B1 Patent specification | No.: | EP0411131 | Date: | 05.01.1994 | Language: | EN | [1994/01] | Search report(s) | International search report - published on: | JP | 22.03.1990 | (Supplementary) European search report - dispatched on: | EP | 31.08.1991 | Classification | IPC: | H01S3/133 | [1991/06] | CPC: |
H04B10/503 (EP,US);
H01S5/0687 (EP,US);
H04B10/572 (EP,US);
G02F1/37 (EP,US)
| Designated contracting states | DE, FR, GB [1991/06] | Title | German: | LICHTQUELLE MIT STABILISIERTER WELLENLÄNGE | [1994/01] | English: | WAVELENGTH STABILIZED SOURCE OF LIGHT | [1991/06] | French: | SOURCE LUMINEUSE A LONGUEUR D'ONDE STABILISEE | [1991/06] |
Former [1991/06] | LICHTSTRAHL MIT STABILISIERTER WELLENLÄNGE | Entry into regional phase | 04.05.1990 | Translation filed | 04.05.1990 | National basic fee paid | 04.05.1990 | Search fee paid | 04.05.1990 | Designation fee(s) paid | 04.05.1990 | Examination fee paid | Examination procedure | 04.05.1990 | Examination requested [1991/06] | 08.12.1992 | Despatch of communication of intention to grant (Approval: Yes) | 08.04.1993 | Communication of intention to grant the patent | 05.07.1993 | Fee for grant paid | 05.07.1993 | Fee for publishing/printing paid | Opposition(s) | 06.10.1994 | No opposition filed within time limit [1994/52] | Fees paid | Renewal fee | 27.09.1991 | Renewal fee patent year 03 | 30.09.1992 | Renewal fee patent year 04 | 30.09.1993 | 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 | [A] - ELECTRONICS LETTERS, vol. 24, no. 1, 7th January 1988, pages 13-14; S. KOIZUMI et al.: "Frequency stabilisation of semiconductor laser using atomic absorption line under direct FSK" | International search | [A]JPH06318820 (TDK CORP); | [A]JPS62213186 (YOKOGAWA ELECTRIC CORP) |