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EP0390523
European procedure
Extract from the Register of European Patents
EP About this file: EP0390523
| EP0390523 - An optical element utilizing a molecular heterojunction [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 01.11.1996 Database last updated on 24.07.2024 | Most recent event Tooltip | 01.11.1996 | No opposition filed within time limit | published on 18.12.1996 [1996/51] | Applicant(s) | For all designated states MITSUBISHI DENKI KABUSHIKI KAISHA 2-3, Marunouchi 2-chome Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1990/40] | For all designated states MITSUBISHI DENKI KABUSHIKI KAISHA 2-3, Marunouchi 2-chome Chiyoda-ku Tokyo / JP | Inventor(s) | 01 /
Isoda, Satoru, c/o Mitsubishi Denki K.K. Chuo Kenkyusho, 1-1, Tsukaguchi Honmachi, 8-chome Amagasaki-shi, Hyogo-ken / JP | 02 /
Ueyama, Satoshi, c/o Mitsubishi Denki K.K. Chuo Kenkyusho, 1-1, Tsukaguchi Honmachi, 8-chome Amagasaki-shi, Hyogo-ken / JP | 03 /
Kawakubo, Hiroaki, c/o Mitsubishi Denki K.K. Chuo Kenkyusho, 1-1, Tsukaguchi Honmachi, 8-chome Amagasaki-shi, Hyogo-ken / JP | 04 /
Maeda, Mitsuo, c/o Mitsubishi Denki K.K. Chuo Kenkyusho, 1-1, Tsukaguchi Honmachi, 8-chome Amagasaki-shi, Hyogo-ken / JP | [1990/40] | Representative(s) | Beresford, Keith Denis Lewis, et al Beresford Crump LLP 16 High Holborn London WC1V 6BX / GB | [N/P] |
| Former [1990/40] | Beresford, Keith Denis Lewis, et al BERESFORD & Co. 2-5 Warwick Court High Holborn London WC1R 5DJ / GB | Application number, filing date | 90303287.8 | 28.03.1990 | [1990/40] | Priority number, date | JP19890079238 | 29.03.1989 Original published format: JP 7923889 | [1990/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0390523 | Date: | 03.10.1990 | Language: | EN | [1990/40] | Type: | A3 Search report | No.: | EP0390523 | Date: | 23.01.1991 | Language: | EN | [1991/04] | Type: | B1 Patent specification | No.: | EP0390523 | Date: | 27.12.1995 | Language: | EN | [1995/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.12.1990 | Classification | IPC: | H01L51/00, H01L31/04, H01L31/08 | [1995/52] | CPC: |
B82Y10/00 (EP,US);
H10K85/701 (EP,US);
H10K10/701 (EP,US);
H10K30/451 (US);
H10K39/32 (EP,US);
H10K85/30 (EP,US);
H10K85/344 (EP,US);
H10K85/621 (EP,US);
H10K85/6572 (EP,US);
Y02E10/549 (EP,US)
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| Former IPC [1990/40] | H01L29/28, H01L31/04, H01L31/08 | Designated contracting states | DE, FR, GB [1990/40] | Title | German: | Einen molekularen Heteroübergang aufweisendes optisches Element | [1990/40] | English: | An optical element utilizing a molecular heterojunction | [1990/40] | French: | Elément optique utilisant une héterojonction moléculaire | [1990/40] | Examination procedure | 28.12.1990 | Examination requested [1991/10] | 28.11.1991 | Despatch of a communication from the examining division (Time limit: M06) | 25.05.1992 | Reply to a communication from the examining division | 15.02.1993 | Despatch of a communication from the examining division (Time limit: M04) | 21.06.1993 | Reply to a communication from the examining division | 22.06.1994 | Despatch of a communication from the examining division (Time limit: M06) | 14.12.1994 | Reply to a communication from the examining division | 27.03.1995 | Despatch of communication of intention to grant (Approval: No) | 16.06.1995 | Despatch of communication of intention to grant (Approval: later approval) | 26.06.1995 | Communication of intention to grant the patent | 08.09.1995 | Fee for grant paid | 08.09.1995 | Fee for publishing/printing paid | Opposition(s) | 28.09.1996 | No opposition filed within time limit [1996/51] | Fees paid | Renewal fee | 23.03.1992 | Renewal fee patent year 03 | 30.03.1993 | Renewal fee patent year 04 | 28.03.1994 | Renewal fee patent year 05 | 24.03.1995 | 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 | [Y]CA1169055 (CA NAT RESEARCH COUNCIL); | [X]US4725513 (EGUCHI KEN [JP], et al); | [Y]US4764415 (ISODA SATORU [JP], et al) |