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EP0145004
European procedure
Extract from the Register of European Patents
EP About this file: EP0145004
| EP0145004 - Bipolar Transistor-Field Effect Transistor Composite Circuit [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.08.1991 Database last updated on 08.04.2026 | Most recent event Tooltip | 24.08.1991 | No opposition filed within time limit | published on 16.10.1991 [1991/42] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1985/25] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Iwamura, Masahiro 1-10-9, Hanayamacho Hitachi-shi / JP | 02 /
Masuda, Ikuro Moriyamacho-2-chome Hitachi-shi / JP | [1985/25] | Representative(s) | Strehl & Partner mbB Maximilianstrasse 54 80538 München / DE | [N/P] |
| Former [1985/25] | Strehl Schübel-Hopf Groening & Partner Maximilianstrasse 54 D-80538 München / DE | Application number, filing date | 84115098.0 | 10.12.1984 | [1985/25] | Priority number, date | JP19830232750 | 12.12.1983 Original published format: JP 23275083 | [1985/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0145004 | Date: | 19.06.1985 | Language: | EN | [1985/25] | Type: | A3 Search report | No.: | EP0145004 | Date: | 19.08.1987 | Language: | EN | [1987/34] | Type: | B1 Patent specification | No.: | EP0145004 | Date: | 24.10.1990 | Language: | EN | [1990/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.06.1987 | Classification | IPC: | H03K19/094 | [1985/25] | CPC: |
H03K19/09448 (EP,US);
H03K19/00 (KR)
| Designated contracting states | DE, FR, GB, IT [1985/25] | Title | German: | Kombinierte Bipolartransistor-Feldeffekttransistor-Schaltung | [1990/43] | English: | Bipolar Transistor-Field Effect Transistor Composite Circuit | [1985/25] | French: | Circuit composite, transistors bipolaires-transistors à effet de champ | [1985/32] |
| Former [1985/32] | Zusammengesetzte Bipolar-Feldeffekttransistor-Schaltung | Examination procedure | 20.12.1984 | Examination requested [1985/25] | 20.09.1988 | Despatch of a communication from the examining division (Time limit: M08) | 29.05.1989 | Reply to a communication from the examining division | 10.07.1989 | Despatch of a communication from the examining division (Time limit: M04) | 16.11.1989 | Reply to a communication from the examining division | 11.01.1990 | Despatch of communication of intention to grant (Approval: No) | 29.03.1990 | Despatch of communication of intention to grant (Approval: later approval) | 27.04.1990 | Communication of intention to grant the patent | 29.06.1990 | Fee for grant paid | 29.06.1990 | Fee for publishing/printing paid | Opposition(s) | 25.07.1991 | No opposition filed within time limit [1991/42] | Fees paid | Renewal fee | 30.12.1986 | Renewal fee patent year 03 | 29.12.1987 | Renewal fee patent year 04 | 23.12.1988 | Renewal fee patent year 05 | 28.12.1989 | 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 | [AD] IEEE TRANSACTIONS ON ELECTRON DEVICES, vol. ED-16, no. 11, November 1969, pages 945-951, New York, US; H.C. LIN et al.: "Complementary MOS-Bipolar transistor structure" [AD] | [A] IBM TECHNICAL DISCLOSURE BULLETIN, vol. 8, no. 2, July 1965, pages 317-318, New York, US; L.W. ATWOOD: "Logic circuit" [A] |