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EP0551116
European procedure
Extract from the Register of European Patents
EP About this file: EP0551116
| EP0551116 - CVCF inverter and method for controlling the same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.03.1998 Database last updated on 02.11.2024 | Most recent event Tooltip | 13.03.1998 | No opposition filed within time limit | published on 29.04.1998 [1998/18] | Applicant(s) | For all designated states FUJI ELECTRIC CO., LTD. 1-1, Tanabeshinden Kawasaki-ku Kawasaki-shi Kanagawa 210 / JP | [N/P] |
| Former [1993/28] | For all designated states FUJI ELECTRIC CO., LTD. 1-1, Tanabeshinden Kawasaki-ku Kawasaki-shi Kanagawa 210 / JP | Inventor(s) | 01 /
Ohkubo, Hidenori, c/o Fuji Electric Co., Ltd. 1-1, Tanabeshinden, Kawasaki-ku Kawasaki-shi, Kanagawa / JP | 02 /
Yasuda, Tetsuo, c/o Fuji Electric Co., Ltd. 1-1, Tanabeshinden, Kawasaki-ku Kawasaki-shi, Kanagawa / JP | 03 /
Manabe, Kazuhisa, c/o Fuji Electric Co., Ltd. 1-1, Tanabeshinden, Kawasaki-ku Kawasaki-shi, Kanagawa / JP | [1993/28] | Representative(s) | Tiedtke, Harro, et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 80336 München / DE | [N/P] |
| Former [1993/28] | Tiedtke, Harro, Dipl.-Ing., et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE | Application number, filing date | 93100188.7 | 07.01.1993 | [1993/28] | Priority number, date | JP19920001759 | 08.01.1992 Original published format: JP 175992 | [1993/28] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0551116 | Date: | 14.07.1993 | Language: | EN | [1993/28] | Type: | A3 Search report | No.: | EP0551116 | Date: | 12.01.1994 | Language: | EN | [1994/02] | Type: | B1 Patent specification | No.: | EP0551116 | Date: | 07.05.1997 | Language: | EN | [1997/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.11.1993 | Classification | IPC: | H02M7/537, H02J3/46 | [1993/52] | CPC: |
H02M7/53871 (EP,US);
H02J3/46 (EP,US)
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| Former IPC [1993/28] | H02M7/537 | Designated contracting states | DE, FR, GB [1993/28] | Title | German: | Konstantspannung-Konstantfrequenzwechselrichter und Verfahren zu deren Steuerung | [1993/28] | English: | CVCF inverter and method for controlling the same | [1993/28] | French: | Onduleur à tension courante et fréquence constante et méthode de contrôle de celui-ci | [1993/28] | Examination procedure | 03.03.1993 | Examination requested [1993/28] | 29.03.1995 | Despatch of a communication from the examining division (Time limit: M04) | 07.08.1995 | Reply to a communication from the examining division | 01.02.1996 | Despatch of a communication from the examining division (Time limit: M04) | 09.05.1996 | Reply to a communication from the examining division | 12.07.1996 | Despatch of communication of intention to grant (Approval: Yes) | 07.11.1996 | Communication of intention to grant the patent | 07.02.1997 | Fee for grant paid | 07.02.1997 | Fee for publishing/printing paid | Opposition(s) | 10.02.1998 | No opposition filed within time limit [1998/18] | Fees paid | Renewal fee | 23.02.1994 | Renewal fee patent year 03 | 25.01.1996 | Renewal fee patent year 04 | 29.01.1997 | 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 | [XY]GB2175155 (MITSUBISHI ELECTRIC CORP) [X] 1,2,11,12 * page 1, line 49 - line 58; figure 1 * [Y] 3,4,13,14; | [Y]DE4023207 (LICENTIA) [Y] 3,4,13,14* abstract *; | [X] - KAWABATA, "Parallel operation of voltage source inverters", IEEE TRANS. ON INDUSTRIAL APPLICATIONS, NEW YORK, (198803), vol. 24, no. 2, doi:doi:10.1109/28.2868, pages 281 - 287, XP055078528 [X] 1,2,11,12 * page 283, column R; figures 9-13 * DOI: http://dx.doi.org/10.1109/28.2868 |