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EP0235706
European procedure
Extract from the Register of European Patents
EP About this file: EP0235706
| EP0235706 - Thyristor having a resistance element coupled to its gate, and method of making the same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.06.1993 Database last updated on 24.08.2024 | Most recent event Tooltip | 03.06.1993 | No opposition filed within time limit | published on 21.07.1993 [1993/29] | Applicant(s) | For all designated states Kabushiki Kaisha Toshiba 72, Horikawa-cho, Saiwai-ku Kawasaki-shi Kanagawa-ken 210-8572 / JP | [N/P] |
| Former [1987/37] | For all designated states KABUSHIKI KAISHA TOSHIBA 72, Horikawa-cho, Saiwai-ku Kawasaki-shi, Kanagawa-ken 210, Tokyo / JP | Inventor(s) | 01 /
Yakushiji, Shigenori c/o Patent Division Kabushiki Kaisha Toshiba 1-1 Shibaura 1-chome Minato-ku Tokyo 105 / JP | [1987/37] | Representative(s) | Lehn, Werner, et al Hoffmann Eitle, Patent- und Rechtsanwälte, Postfach 81 04 20 81904 München / DE | [N/P] |
| Former [1987/37] | Lehn, Werner, Dipl.-Ing., et al Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20 D-81904 München / DE | Application number, filing date | 87102456.8 | 20.02.1987 | [1987/37] | Priority number, date | JP19860042257 | 27.02.1986 Original published format: JP 4225786 | [1987/37] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0235706 | Date: | 09.09.1987 | Language: | EN | [1987/37] | Type: | A3 Search report | No.: | EP0235706 | Date: | 20.07.1988 | Language: | EN | [1988/29] | Type: | B1 Patent specification | No.: | EP0235706 | Date: | 29.07.1992 | Language: | EN | [1992/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.06.1988 | Classification | IPC: | H01L29/743, H01L29/06 | [1987/37] | CPC: |
H01L29/405 (EP,US);
H01L29/66393 (EP,US);
H01L29/74 (KR);
H01L29/7408 (EP,US)
| Designated contracting states | DE, FR, GB [1987/37] | Title | German: | Thyristor mit einem mit seinem Gate gekoppelten Widerstandselement und Verfahren zu dessen Herstellung | [1987/37] | English: | Thyristor having a resistance element coupled to its gate, and method of making the same | [1987/37] | French: | Thyristor comportant un élément résistif couplé à sa grille et méthode de fabrication | [1987/37] | Examination procedure | 20.02.1987 | Examination requested [1987/37] | 25.09.1991 | Despatch of communication of intention to grant (Approval: Yes) | 30.01.1992 | Communication of intention to grant the patent | 23.04.1992 | Fee for grant paid | 23.04.1992 | Fee for publishing/printing paid | Opposition(s) | 30.04.1993 | No opposition filed within time limit [1993/29] | Fees paid | Renewal fee | 10.02.1989 | Renewal fee patent year 03 | 14.02.1990 | Renewal fee patent year 04 | 17.12.1990 | Renewal fee patent year 05 | 10.02.1992 | 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. | Documents cited: | Search | [A]JP56105673 ; | [A]JP59069970 ; | [A]DE3520599 (RCA CORP [US]) | [A] - PATENT ABSTRACTS OF JAPAN, vol. 5, no. 179 (E-82)[851], 17th November 1981; & JP-A-56 105 673 (NIPPON DENKI K.K.) 22-08-1981, & JP56105673 A 00000000 | [A] - PATENT ABSTRACTS OF JAPAN, vol. 8, no. 176 (E-260)[1613], 14th August 1984; & JP-A-59 069 970 (NEC HOME ELECTRONICS K.K.) 20-04-1984, & JP59069970 A 00000000 |