EP0675545 - Insulated gate thyristor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.08.1998 Database last updated on 02.09.2024 | Most recent event Tooltip | 07.08.1998 | No opposition filed within time limit | published on 23.09.1998 [1998/39] | Applicant(s) | For all designated states FUJI ELECTRIC CO. LTD. 1-1, Tanabeshinden, Kawasaki-ku Kawasaki 210 / JP | [1995/40] | Inventor(s) | 01 /
Iwamuro, Noriyuki c/o Fuji Electric Co., Ltd., 1-1 Tanabeshinden Kawasaki-ku, Kawasaki 210 / JP | [1995/40] | Representative(s) | MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB Paul-Heyse-Strasse 29 80336 München / DE | [N/P] |
Former [1995/40] | Hoffmann, Eckart, Dipl.-Ing. Patentanwalt, Bahnhofstrasse 103 D-82166 Gräfelfing / DE | Application number, filing date | 95104741.4 | 30.03.1995 | [1995/40] | Priority number, date | JP19940064293 | 01.04.1994 Original published format: JP 6429394 | JP19940136766 | 20.06.1994 Original published format: JP 13676694 | JP19950005348 | 18.01.1995 Original published format: JP 534895 | [1995/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0675545 | Date: | 04.10.1995 | Language: | EN | [1995/40] | Type: | A3 Search report | No.: | EP0675545 | Date: | 10.07.1996 | [1996/28] | Type: | B1 Patent specification | No.: | EP0675545 | Date: | 01.10.1997 | Language: | EN | [1997/40] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.05.1996 | Classification | IPC: | H01L29/745, H01L29/74, H01L29/749 | [1996/27] | CPC: |
H01L29/749 (EP,US);
H01L29/7408 (EP,US);
H01L29/7455 (EP,US)
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Former IPC [1995/40] | H01L29/745 | Designated contracting states | DE, FR, GB [1995/40] | Title | German: | Thyristor mit isoliertem Gate | [1995/40] | English: | Insulated gate thyristor | [1995/40] | French: | Thyristor à grille isolée | [1995/40] | Examination procedure | 05.07.1996 | Examination requested [1996/36] | 25.02.1997 | Despatch of communication of intention to grant (Approval: Yes) | 08.04.1997 | Communication of intention to grant the patent | 10.07.1997 | Fee for grant paid | 10.07.1997 | Fee for publishing/printing paid | Opposition(s) | 02.07.1998 | No opposition filed within time limit [1998/39] | Fees paid | Renewal fee | 26.03.1997 | Renewal fee patent year 03 |
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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]JPH06380572 ; | [A]DE3902300 (TOSHIBA KAWASAKI KK [JP]) [A] 1-6 * abstract *; | [A]EP0389862 (SIEMENS AG [DE]) [A] 1-6 * column A; figure - *; | [A] - M.S.SHEKAR ET AL., "An Emitter Switched Thyristor with Base resistance Control", IEEE ELECTRON DEVICE LETTERS, NEW YORK US, (199306), vol. 14, no. 6, pages 280 - 282, XP000417077 [A] 1-6 * abstract * DOI: http://dx.doi.org/10.1109/55.215198 | [A] - PATENT ABSTRACTS OF JAPAN, (19880825), vol. 12, no. 314, Database accession no. (E - 649), & JP6380572 A 19880411 (FUJI ELECTRIC CO LTD) [A] 1-6 * abstract * |